ADVANCED TECHNOLOGY LABORATORIES INC/
8-K, 1996-01-11
ELECTROMEDICAL & ELECTROTHERAPEUTIC APPARATUS
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                  SECURITIES AND EXCHANGE COMMISSION
                        Washington, D.C. 20549
                                   
                                   
                               FORM 8-K

                                   
                            CURRENT REPORT

                Pursuant to Section 13 or 15(d) of the
                    Securities Exchange Act of 1934
                                   
                              May 11, 1995
                             --------------     
                   (Date of earliest event reported)
     
     
                ADVANCED TECHNOLOGY LABORATORIES, INC.
        (Exact name of registrant as specified in its charter)
     
     
      Washington                 0-15160           91-1353386
     ------------               ---------         ------------ 
     (State or other           (Commission      (I.R.S. Employer
     jurisdiction or              File          Identification No.)
     organization)               Number)
     
     
     22100 Bothell Everett Highway
     P.O. Box 3003, Bothell, Washington               98041-3003
     ----------------------------------               ----------     
    (Address of principal executive offices)          (Zip Code)
     
     
     Registrant's telephone number, including area code: (206) 487-7000
                                   
                                   
                                   
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<PAGE>                                   


Item 5.        Other Events
               ------------

     Reincorporation:

     On May 11, 1995 Advanced Technology Laboratories, Inc., a
Delaware corporation, changed its legal domicile by merging with and
into ATLI Washington Corporation, a Washington wholly owned subsidiary,
and retained the name Advanced Technology Laboratories, Inc.(the "Company" 
or "ATL").  Pursuant to the terms of the merger, the Articles of 
Incorporation, Certificate of Designation of Preferred Series A Stock and 
Bylaws of ATLI Washington Corporation were deemed to be the charter 
documents of the surviving corporation.  Reference is made to the Company's 
Proxy Statement dated April 3, 1995 for details regarding the 
reincorporation merger.

     Description of Capital Stock:

     Common Stock

     ATL's authorized capital includes 50,000,000 shares of common
stock, $.01 par value per share ("ATL Common Stock").  All shares are
entitled to participate equally in dividends.  Each shareholder has
one vote for each share registered in the shareholder's name as of the
applicable record date for any matter presented to shareholders.  All
shares of ATL Common Stock rank equally on liquidation.  Holders of
shares of ATL Common Stock have no preemptive rights and are not
entitled to cumulate votes in the election of directors.


     Preferred Stock

     ATL's authorized capital also includes 6,000,000 preferred shares
($1.00 par value per share), 500,000 of which have been designated
Series A Preferred Shares ("ATL Series A Preferred Shares").  There
are no preferred shares issued and outstanding.  The ATL Board is
authorized to establish the number of shares, designations, relative
rights, preferences and limitations, including voting and conversion
rights, of any future series of preferred shares.


     Shareholder Rights Plan

     Pursuant to the Amended and Restated Rights Agreement dated as of
June 26, 1992, between ATL and First Chicago Trust Company of New
York, as Rights Agent, as amended (The "Rights Agreement"), holders of
shares of ATL Common Stock currently hold rights to purchase shares of
ATL Series A Preferred Shares exercisable only in certain
circumstances (the "Rights").  The Rights, which are represented by
certificates for ATL Common Stock, currently trade together with the
ATL Common Stock.  Each Right, when it becomes exercisable as
described below, will entitle the registered holder to purchase one
one-hundredth (1/100) of an ATL Series A Preferred Share at a price
(the "Purchase Price") equal to four times the average of the high and
low sale prices of the ATL Common Stock as reported on the Nasdaq
National Market for each of the 10 trading days commencing on the
sixth trading day following the Distribution Date (as defined in the
Rights Agreement).

      The ATL Series A Preferred Shares issuable upon exercise of the
Rights will not be redeemable.  Each ATL Series A Preferred Share will
be  entitled to a minimum preferential quarterly dividend payment of
$.01 per share, but will be entitled to an aggregate dividend of 100
times the dividend 

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<PAGE>

declared per share of ATL Common Stock, if any.  In the event of 
dissolution, liquidation or winding up of ATL, whether voluntary or 
involuntary, the holders of ATL Series A Preferred Shares will be entitled 
to a minimum preferential payment of $.01 per share, but will be entitled 
to an aggregate preferential payment of 100 times the payment made per 
share of ATL Common Stock.  Each ATL Series A Preferred  Share will have 
100 votes, voting together with the ATL Common Stock.  Finally, in the 
event of any merger, business combination,  consolidation or other 
transaction in which the ATL Common Stock is exchanged, each ATL Series 
A Preferred Share will be entitled to receive 100 times the amount 
received per share of ATL Common Stock.  Because of the nature of the 
ATL Series A Preferred Shares' dividend, liquidation and voting rights, 
the value of the one one-hundredth  (1/100) interest in an ATL Series  
A Preferred Share issuable upon exercise of each Right should approximate 
the value of one share of ATL Common Stock.  Customary antidilution 
provisions are designed to protect that relationship in the event of 
certain changes in the ATL Common Stock and the ATL Series A Preferred 
Shares.   The ATL Series A Preferred Shares are authorized to be issued 
in fractions that are an integral multiple of one one-hundredth  (1/100)
of an ATL Series A Preferred Share.  ATL may, but is not required to,
issue fractions of shares upon the exercise of Rights, and, in lieu of
fractional shares, ATL may utilize a depository arrangement as
provided by the terms of the ATL Series A Preferred Shares and, in the
case of fractions other than one one-hundredth (1/100) of an ATL
Series A Preferred Share or integral multiples thereof, may make a
cash payment based on the market price of such shares.

     Until the earlier of (i) such time as ATL learns that a person or
group (including any affiliate or associate of such person or group)
has acquired, or has obtained the right to acquire, beneficial
ownership of 15% or more of the outstanding ATL Common Stock, (such
person or group being an "Acquiring Person") and (ii) such date, if
any, as may be designated by the ATL Board following the commencement
of, or first public disclosure of an intent to commence, a tender or
exchange offer for outstanding ATL Common Stock that could result in
the offeror becoming the beneficial owner of 15% or more of the
outstanding ATL Common Stock (the earlier of such dates, subject to
certain exceptions, being the "Separation Date"), the Rights will be
evidenced by certificates for ATL Common Stock registered in the names
of the holders thereof (which certificates for ATL Common Stock will
also be deemed to be Right Certificates, as defined herein), not by
separate Right Certificates.  Therefore, until the Separation Date,
the Rights will be transferred with and only with the ATL Common
Stock.

      As soon as practicable following the Separation Date, separate
certificates evidencing the Rights ("Right  Certificates") will be
mailed to holders of record of ATL Common Stock as of the close of
business on the Separation Date (and to each initial record holder of
certain ATL Common Stock originally issued after the Separation Date),
and such separate Right Certificates alone will thereafter evidence
the Rights.

     The Rights are not exercisable until the Separation Date and will
expire on June 30, 2002, (the "Expiration Date"), unless earlier
redeemed or canceled by ATL, as described below.

      The number of ATL Series A Preferred Shares or other securities
issuable upon exercise of a Right, the Purchase Price, the Redemption
Price (as defined herein) and the number of Rights associated with
each outstanding share of ATL Common Stock are all subject to
adjustment by the ATL Board in the event of any change in the ATL
Common Stock or the ATL Series A Preferred Shares, whether by reason
of stock dividends, stock splits, recapitalizations, mergers,
consolidations, combinations or exchanges of securities, split-ups,
split-offs, liquidations, other similar changes in capitalization, any
distribution or issuance of cash, assets, evidences of indebtedness or
subscription rights, options or warrants to holders of ATL Common
Stock or ATL Series A Preferred Shares, as the case may be (other than
the Rights or regular quarterly cash dividends), or otherwise.

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<PAGE>
 
      In the event a person becomes an Acquiring Person, the Rights
will entitle each holder of a Right (other than those held by an
Acquiring Person (or any affiliate or associate of such Acquiring
Person)) to purchase, for the Purchase Price, that number of one one-
hundredth (1/100) of an ATL Series A Preferred Share equivalent to the
number of shares of ATL Common Stock that at the time of the
transaction would have a market value of twice the Purchase Price.
Any Rights that are at any time beneficially owned by an Acquiring
Person (or any affiliate or associate of an Acquiring Person) will be
null and void and nontransferable and any holder of any such Right
(including any purported transferee or subsequent holder) will be
unable to exercise or transfer any such Right.

      After there is an Acquiring Person the ATL Board may elect to
exchange each Right (other than Rights that have become null and void
and nontransferable as described above) for consideration per Right
consisting of one-half of the securities that would be issuable at
such time upon the exercise of one Right pursuant to the terms of the
Rights Agreement, and without payment of the Purchase Price.

      In the event ATL is acquired in a merger by, or other business
combination with, or 50% or more of its assets or assets representing
50% or more of its earning power are sold, leased, exchanged or
otherwise transferred (in one or more transactions) to a publicly
traded corporation, each Right will entitle its holder (subject to the
next paragraph) to purchase, for the Purchase Price, that number of
common shares of such corporation that at the time of the transaction
would have a market value of twice the Purchase Price.  In the event
ATL is acquired in a merger by, or other business combination with, or
50% or more of its assets or assets representing 50% or more of the
earning power of ATL are sold, leased, exchanged or otherwise
transferred (in one or more transactions) to an entity that is not a
publicly traded corporation,  each Right will entitle its holder
(subject to the next paragraph) to purchase, for the Purchase Price,
at such holder's option, (i) that number of shares of the surviving
corporation in the transaction with such entity (which surviving
corporation could be ATL) that at the time of the transaction would
have a book value of twice the Purchase Price, (ii) that number of
shares of such entity that at the time of the transaction would have a
book value of twice the Purchase Price, or (iii) if such entity has an
affiliate that has publicly traded common shares, that number of
common shares of such affiliate that at the time of the transaction
would have a market value of twice the Purchase Price.

      At any time prior to the earlier of (i) such time as a person
becomes an Acquiring Person and (ii) the Expiration Date, the ATL
Board may redeem the Rights in whole, but not in part, at a price (in
cash or ATL Common Stock or other securities of ATL deemed by the ATL
Board to be at least equivalent in value) of $.01 per Right, subject
to adjustment as provided in the Rights Agreement (the  "Redemption
Price"); provided, however, that for the 120-day period after any date
of a change (resulting from a proxy or consent solicitation) in a
majority of the ATL Board in office at the commencement of such
solicitation, the Rights may only be redeemed if (A) there  are
directors then in office who were in office at the commencement of
such solicitation and (B) the ATL Board, with the concurrence of a
majority of such directors then in office, determines that such
redemption is, in its judgment, in the best interests of ATL and its
shareholders.  Immediately upon the action of the ATL Board electing
to redeem the Rights, ATL will make an announcement thereof, and, upon
such election, the right to exercise the Rights will terminate and the
only  right of the holders of Rights will be to receive the Redemption
Price.

      Until a Right is exercised, the holder thereof, as such, will
have no rights as a shareholder of ATL, including, without limitation,
the right to vote or to receive dividends.

      At any time prior to the Separation Date, ATL may, without the
approval of any holder of the Rights, supplement or amend any
provision of the Rights Agreement (including the date on which the

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Separation Date would occur, the time during which the Rights may be
redeemed or the terms of the ATL Series A Preferred Shares), except
that no supplement or amendment shall be made that reduces the
Redemption Price (Other than pursuant to certain adjustments therein),
provides for an earlier Expiration Date or makes certain changes to
the definition of Acquiring Person.  However, for the 120-day period
after any date of a change (resulting from a proxy or consent
solicitation) in a majority of the ATL Board in office at the
commencement of such solicitation, the Rights Agreement may be
supplemented or amended only if (A) there are directors then in office
who were in office at the commencement of such solicitation and (B)
the ATL Board, with the concurrence of a majority of such directors
then in office, determines that such supplement or amendment is, in
its judgment, in the best interests of ATL and its shareholders.

      The Rights have certain antitakeover effects.  The Rights will
cause substantial dilution to a person or group that attempts to
acquire ATL without conditioning the offer on substantially all the
Rights being acquired.  The Rights will not interfere with any merger
or other business combination approved by the ATL Board since the ATL
Board may, at its option, at any time prior to any person becoming an
Acquiring Person, redeem all but not less than all the then
outstanding Rights at the Redemption Price.


     FDA Advisory Committee Panel Recommends Approval of PMA Application

     On December 11, 1995 a U.S. Food and Drug Administration (FDA)
Advisory Committee Panel voted unanimously to recommend FDA approval,
under certain conditions, of the pre-market approval (PMA) application
of ATL which would allow a new clinical application of ultrasound, in
conjunction with mammography, to provide a high level of confidence in
differentiating benign from malignant or suspicious breast lesions,
and thereby reduce the need for breast biopsy.  The FDA usually
follows the recommendation of its Advisory Committee Panel but is not
obliged to do so.  A final determination on approval of the PMA is
expected in early 1996.


Item 7.        Exhibits

     c. Exhibits

          3.1(a)    Articles of Incorporation.

          3.1(b)    Certificate of Designation of Series A
                    Participating Cumulative Preferred Stock.

          3.2       Bylaws.

          20        ATL Press Release dated December 11, 1995.

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<PAGE>




                              SIGNATURES
                                   
     Pursuant to the requirements of the Securities and Exchange Act
of 1934, the registrant has duly caused this report to be signed on
its behalf by the undersigned hereunto duly authorized.

                                        ADVANCED TECHNOLOGY
                                        LABORATORIES, INC.


     DATE:  January 10, 1996            BY:  /s/ W. Brinton Yorks, Jr.
                                            --------------------------
                                            W. Brinton Yorks, Jr.
                                            Vice President, General
                                            Counsel and Secretary



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                             EXHIBIT INDEX   
                                   
Exhibit                                                
Number    Exhibit                                        
- ------    ---------------------------------------- 
                                                             
3.1(a)    Articles of Incorporation                       
                                                             
3.1(b)    Certificate of Designation of Series A             
          Participating Cumulative Preferred Stock
                                                             
3.2       Bylaws.                                            
                                                             
20        ATL Press Release dated December 11, 1995          
                                                             




                                                         EXHIBIT 3.1(a)
                                                         -------------- 
                         ARTICLES OF INCORPORATION 
                                   OF 
                   ADVANCED TECHNOLOGY LABORATORIES, INC. 
 
                            ARTICLE I.  NAME 
 
     The name of the corporation (the "Corporation") is  
     ADVANCED TECHNOLOGY LABORATORIES, INC. 
 
                 ARTICLE II.  REGISTERED OFFICE AND AGENT 
 
     The address of the Corporation's registered office in the State of 
Washington is 520 Pike Street, 26th Floor, Seattle, Washington 98101.  The 
name of the Corporation's registered agent at such address is C T Corporation 
System. 
 
                           ARTICLE III.  SHARES 
 
3.1 Authorized Capital 
 
     The total number of shares of stock which the Corporation shall have 
authority to issue is 56,000,000 shares, of which 50,000,000 shares shall 
be shares of Common Stock, par value $0.01 per share ("Common Stock"), and 
6,000,000 shares shall be shares of Preferred Stock, with the par value of 
$1.00 per share ("Preferred Stock").  Unless otherwise provided for pursuant
to the authority granted in Section 3.2, no shareholder of the Corporation 
shall have any preemptive right to acquire additional shares of stock or 
securities convertible into shares of stock of the Corporation. 
 
3.2.  Provisions Relating to Preferred Stock  
 
     The Board of Directors is authorized, subject to limitations 
prescribed by law and the provisions of this Article III, to provide for the 
issuance of the shares of Preferred Stock in series and by filing a 
certificate pursuant to the applicable law of the State of Washington, to 
establish from time to time the number of shares to be included in each such 
series, and to fix the designation, powers, preferences and rights of the 
shares of each such class or series and the qualifications, limitations or 
restrictions thereof. 
 
      The authority of the Board of Directors with respect to each series 
shall include, but not be limited to, determination of the following:

     (i) the number of shares constituting that series and the 
distinctive designation of that series;

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     (ii)	the dividend rate on the shares of that series, whether 
dividends shall be cumulative, and, if so, from which date or dates, and 
the relative rights of priority, if any, of payment of dividends on shares 
of that series; 
 
     (iii)	whether that series shall have voting rights, in addition to 
the voting rights provided by law, and, if so, the terms of such voting 
rights; 
 
     (iv)	whether that series shall have conversion privileges, and, 
if so, the terms and conditions of such conversion privileges, including 
provision for adjustment of the conversion rate in such events as the Board 
of Directors shall determine; 
 
     (v)	whether or not the shares of that series shall be redeemable, 
and, if so, the terms and conditions of such redemption, including the date 
or dates upon or after which they shall be redeemable, and the amount per 
share payable in case of redemption, which amount may vary under different 
conditions and at different redemption dates; 
 
     (vi)	whether that series shall have a sinking fund for the 
redemption or purchase of shares of that series, and, if so, the terms and 
amount of such sinking fund; 
 
     (vii)	the rights of the shares of that series in the event of 
voluntary or involuntary liquidation, dissolution or winding up of the 
Corporation, and the relative rights of priority, if any, of payment of 
shares of that series; and 
 
     (viii)	any other relative rights, preferences and limitations of 
that series. 
 
3.3.  Provisions Relating to Common Stock  
 
     (i)	Subject to the provisions of Section 3.2 of this Article III, 
holders of Common Stock shall be entitled to receive such dividends as may 
be declared thereon from time to time by the Board of Directors in its 
discretion from any assets legally available for the payment of dividends. 
 
     (ii)	In the event of the dissolution, liquidation or winding up of 
the Corporation, whether voluntary or involuntary, after distribution to the 
holders of all shares of Preferred Stock which shall be entitled to a 
preference over the holders of Common Stock of the full preferential amounts 
to which the holders of Preferred Stock are entitled, the holders of Common 
Stock shall be entitled to share ratably in the distribution of the assets 
of the Corporation or the proceeds thereof. 
 
     (iii)	Except as herein otherwise expressly provided and as 
otherwise required by law, all shares of Common Stock shall have equal 
voting rights 

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and the holders of such shares shall have one vote, in person or by proxy, 
for each share thereof held. 
 
                     ARTICLE IV.  SHAREHOLDER MEETINGS 
 
	     4.1  Quorum 
 
     At each meeting of the shareholders, except as otherwise expressly 
required by law or by these Articles of Incorporation, shareholders holding 
one-third of the shares of stock of the Corporation issued and outstanding, 
and entitled to be voted thereat, shall be present in person or by proxy to 
constitute a quorum for the transaction of business.  In the absence of a 
quorum at any such meeting or any adjournment or adjournments thereof, a 
majority in voting interest of those present in person or by proxy and 
entitled to vote thereat, or in the absence therefrom of all the 
shareholders, any officer entitled to preside at, or to act as Secretary of, 
such meeting may adjourn such meeting from time to time until shareholders 
holding the amount of stock requisite for a quorum shall be present in person
or by proxy.  At any such adjourned meeting at which a quorum may be present 
any business may be transacted which might have been transacted at the 
meeting as originally called. 
  
     4.2  Special Meeting Of Shareholders 
 
     Except as otherwise required by law and subject to the rights of the 
holders of the Preferred Stock or any other class or series of stock having a 
preference over the Common Stock as to dividends or upon liquidation, special 
meetings of shareholders of the Corporation may be called only by holders of 
two-thirds or more of the voting power of the then outstanding shares of 
stock of all classes and series of the Corporation entitled to vote generally 
in the election of Directors ("Voting Stock"), by the Corporation's Chairman 
of the Board, by its President or by the Board of Directors pursuant to a 
resolution approved by a majority of the entire Board of Directors or as 
otherwise provided in the Bylaws of the Corporation. 
 
                ARTICLE V.  LIMITATION OF DIRECTOR LIABILITY 
 
     5.1  Limitation of Liability 
 
     To the fullest extent permitted by the Washington Business 
Corporation Act, (the "Act") as the same exists or may hereafter be amended, 
a director of the Corporation shall not be liable to the Corporation or its 
shareholders for conduct as a director.  Any amendments to or repeal of this 
Article V shall not adversely affect any right or protection of a director 
for or with respect to any acts or omissions of such director occurring prior
to such amendment or repeal. 

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<PAGE>
 
	5.2  Restriction on Amendment 
 
	In addition to any requirements of law and any other provisions 
herein or in the terms of any class or series of stock having a preference 
over the Common Stock as to dividends or upon liquidation (and not 
withstanding that a lesser percentage may be specified by law), the 
affirmative vote of the holders of two-thirds or more of the voting power of 
the then outstanding Voting Stock, voting together as a single class, shall 
be required to amend, alter or repeal any provision of this Article V. 
 
             ARTICLE VI  INDEMNIFICATION OF DIRECTORS, OFFICERS, 
                             EMPLOYEES AND AGENTS  
 
     1.  The Corporation shall have the following powers: 
 
         (a)	The Corporation may indemnify and hold harmless to the 
fullest extent not prohibited by applicable law each person who was or is 
made a party to or is threatened to be made a party to or is involved 
(including, without limitation, as a witness) in any actual or threatened 
action, suit or other proceeding, whether civil, criminal, derivative, 
administrative or investigative, by reason of that fact that he or she is or 
was a director, officer, employee or agent of the Corporation or, being or 
having been such a director, officer, employee or agent of the Corporation, 
he or she is or was serving at the request of the Corporation as a director, 
officer, employee, agent, trustee, or in any other capacity of another 
corporation or of a partnership, joint venture, trust or other enterprise, 
including service with respect to employee benefit plans, whether the 
basis of such proceeding is alleged action or omission in an official 
capacity or in any other capacity while serving as a director, officer, 
employee, agent trustee or in any other capacity, against all expense, 
liability and loss (including, without limitation, attorneys' fees, 
judgments, fines, ERISA excise taxes or penalties and amounts to be paid in 
settlement) actually or reasonably incurred or suffered by such person in 
connection therewith.  Such indemnification may continue as to a person who 
has ceased to be a director, officer, employee or agent of the Corporation 
and shall inure to the benefit of his or her heirs and personal 
representatives. 
 
         (b)	The Corporation may pay expenses incurred in defending 
any such proceeding in advance of the final disposition of any such 
proceeding; provided, however, that the payment of such expenses in advance 
of the final disposition of a proceeding shall be made to or on behalf of a 
director, officer, employee or agent only upon delivery to the Corporation of 
an undertaking, by or on behalf of such director, officer, employee or agent, 
to repay all amounts so advanced if it shall ultimately be determined that 
such director, officer, employee or agent is not entitled to be indemnified 

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<PAGE>

under this Article VI or otherwise, which undertaking may be unsecured 
and may be accepted without reference to financial ability to make repayment. 
 
         (c)	The Corporation may enter into contracts with any person 
who is or was a director, officer, employee and agent of the Corporation in 
furtherance of the provisions of this Article VI and may create a trust fund, 
grant a security interest in property of the Corporation, or use other means 
(including, without limitation, a letter of credit) to ensure the payment of 
such amounts as may be necessary to effect indemnification as provided in 
this Article VI. 
 
         (d)	If the Act is amended in the future to expand or increase the 
power of the Corporation to indemnify, to pay expenses in advance of final 
disposition, to enter into contracts, or to expend or increase any similar 
or related power, then, without any further requirement of action by the 
shareholders or directors of the Corporation, the powers described in this 
Article VI shall be expanded and increased to the fullest extent permitted 
by the Act, as so amended. 
 
         (e)	No indemnification shall be provided under this Article VI 
to any such person if the Corporation is prohibited by the nonexclusive 
provisions of the Act or other applicable law as then in effect from paying 
such indemnification.  For example, no indemnification shall be provided to 
any director in respect of any proceeding, whether or not involving action 
in his or her official capacity, in which he or she shall have been finally 
adjudged to be liable on the basis of intentional misconduct or knowing 
violation of law by the director, or from conduct of the director in 
violation of Section 23B.08.310 of the Act, or that the director personally 
received a benefit in money, property or services to which the director was 
not legally entitled. 
 
     2.	The Corporation shall indemnify and hold harmless any person 
who is or was a director or officer of the Corporation, and pay expenses in 
advance of final disposition of a proceeding, to the full extent to which the 
Corporation is empowered. 
 
     3.	The Corporation may, by action of its Board of Directors from time 
to time, indemnify and hold harmless any person who is or was an employee or 
agent of the Corporation, and pay expenses in advance of final disposition of a 
proceeding, to the full extent to which the Corporation is empowered, or to a 
lesser extent which the Board of Directors may determine. 
 
     4.	The rights to indemnification and payment of expenses in advance 
of final disposition of a proceeding conferred by or pursuant to this 
Article VI shall be contract rights. 
 
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<PAGE>


     5.	A director, officer, employee or agent ("claimant") shall be 
presumed to be entitled to indemnification and/or payment of expenses under 
this Article VI upon submission of a written claim (and, in an action brought
to enforce a claim for expenses incurred in defending any proceeding in 
advance of its final disposition, where the undertaking in subsection 1(b) 
above has been delivered to the Corporation) and thereafter the Corporation 
shall have the burden of proof to overcome the presumption that the claimant 
is so entitled. 
 
     If a claim under this Article is not paid in full by the Corporation 
within sixty (60) days after a written claim has been received by the 
Corporation, except in the case of a claim for expenses incurred in defending
a proceeding in advance of its final disposition, in which case the 
applicable period shall be twenty (20) days, the claimant may at any time 
thereafter bring suit against the Corporation to recover the unpaid amount of
the claim and, to the extent successful in whole or in part, the claimant 
shall be entitled to be paid also the expense of prosecuting such claim.  
Neither the failure of the Corporation (including its board of directors, 
its shareholders or independent legal counsel) to have made a determination 
prior to the commencement of such action that indemnification of or 
reimbursement or advancement of expenses to the claimant is proper in the 
circumstances nor an actual determination by the Corporation (including its 
board of directors, its shareholders or independent legal counsel) that the 
claimant is not entitled to indemnification or to the reimbursement or 
advancement of expenses shall be a defense to the action or create a 
presumption that the claimant is not so entitled. 
 
     6.	The right to indemnification and payment of expenses in advance 
of final disposition of a proceeding conferred in this Article shall not be 
exclusive of any other right which any person may have or hereafter acquire 
under any statute, provision of the Articles of Incorporation, Bylaws, 
agreement, vote of shareholders or disinterested directors or otherwise. 
 
     7.	The Corporation may purchase and maintain insurance, at its 
expense, to protect itself and any director, officer, employee, agent or 
trustee of the Corporation or another corporation, partnership, joint venture, 
trust or other  enterprise against any expense, liability or loss, whether or
not the corporation would have the power to indemnify such person against 
such expense, liability or loss under the Act. 
 
     8.	Any repeal or modification of this Article VI shall not adversely 
affect any right of any person existing at the time of such repeal or 
modification. 
 
     9.	If any provision of this Article VI or any application thereof 
shall be invalid, unenforceable or contrary to applicable law, the remainder 
of 

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<PAGE>

this Article VI, or the application of such provision to persons or 
circumstances other than those as to which it is held invalid, unenforceable 
or contrary to applicable law, shall not be affected thereby and shall 
continue in full force and effect. 
 
     10.	For the purposes of this Article VI, "applicable law" shall at 
all times be construed as the applicable law in effect at the date 
indemnification may be sought, or the law in effect at the date of the 
action, omission or other event giving rise to the situation for which 
indemnification may be sought, whichever is selected by the person seeking 
indemnification.  As of the date hereof, applicable law shall include 
Section 23B.08.500 through .600 of the Act. 
 
 
                     ARTICLE VII  DIRECTORS AND OFFICERS   
 
      7.1  Number of Directors 
 
     The number of directors of the Corporation shall be specified in 
the Bylaws, and such number may from time to time be increased or decreased 
in such manner as may be prescribed in the Bylaws.  The officers of the 
Corporation shall be appointed in such manner as described in the Bylaws. 
 
     7.2  Election of Directors 
 
     Unless otherwise provided for pursuant to the authority granted in 
Section 3.2 of Article III hereof, shareholders of the Corporation shall not 
have the right to cumulative votes in the election of directors. 
 
 
                    ARTICLE VIII.  MERGERS, SHARE EXCHANGES  
                            AND OTHER TRANSACTIONS 
 
     Except as otherwise expressly provided in these Articles of 
Incorporation, a merger, share exchange, sale of substantially all of the 
Corporation's assets other than in the regular course of business, or 
dissolution must be approved by the affirmative vote of a majority of the 
Corporation's outstanding shares entitled to vote, or if separate voting by 
voting groups is required, then by not less than a majority of all the votes 
entitled to be cast by that voting group. 

 
             ARTICLE IX.  CORPORATION'S ACQUISITION OF OWN SHARES 
 
     The Corporation may purchase, redeem receive, take or otherwise 
acquire, own and hold, sell, lend, exchange, transfer or otherwise dispose 
pledge, use and otherwise deal with and in its own shares.  As a specific 
modification of Section 23B.06.310 of the Act, pursuant to the authority in

Page 7
<PAGE>
 
Section 23B.02.020(5)(c) of the Act to include provisions related to the 
management of the business and the regulation of the affairs of the 
Corporation, shares of the Corporation's stock acquired by it shall be 
considered "Treasury Stock" and so held by the Corporation.  The shares so 
acquired by the Corporation shall not be considered as authorized but 
unissued but rather authorized, issued and held by the Corporation but not 
outstanding.  The shares so acquired shall not be regarded as canceled or as 
a reduction to the authorized capital of the Corporation unless specifically 
so designated by the Board of Directors in an amendment to these Articles of 
Incorporation.  The provisions of this Article IX do not alter or affect the 
status of the Corporation's acquisition of its shares as a 
"distribution" by the Corporation as defined in Section 23B.01.400(6) of the 
Act nor alter or affect the limitations of distributions by the Corporation 
set forth in Section 23B.06.400 of the Act.  Any shares so acquired the 
Corporation, unless specifically designated by the Board of Directors, at 
the time of acquisition, shall be considered on subsequent disposition as 
transferred rather than reissued.  Nothing in this Article IX limits or 
restricts the right of the Corporation to resell or otherwise dispose of any 
of its shares previously acquired for such consideration and according to 
such procedures as established by the Board of Directors. 
 
 
                          ARTICLE X.  INCORPORATOR 
 
     The name and address of the incorporator are: W. Brinton Yorks, Jr., 
22100 Bothell Everett Highway, Bothell Washington 98041-3003. 
 


                                     /s/ W. Brinton Yorks, Jr.
                                     ------------------------
                                     W. Brinton Yorks, Jr. 
					 	                              Incorporator


May 11, 1995	                                         ART. OF INCORP. 

Page 9
 



                                                      EXHIBIT 3.1(b)
                                                      --------------
                   CERTIFICATE OF DESIGNATION
                    OF SERIES A PARTICIPATING
               CUMULATIVE PREFERRED STOCK SETTING
                 FORTH THE POWERS, PREFERENCES,
                     RIGHTS, QUALIFICATIONS,
                  LIMITATIONS AND RESTRICTIONS
                        OF SUCH SERIES OF
                         PREFERRED STOCK
                               OF
                   ATLI WASHINGTON CORPORATION



     The undersigned, being the Chief Executive Officer of ATLI
Washington Corporation, a Washington corporation (the
"Corporation"), in accordance with the provisions of RCW
23B.06.020, does hereby certify that, pursuant to the authority
conferred  upon the Board of Directors by the Articles of
Incorporation of the Corporation, the following resolution
creating a Series A Participation Cumulative Preferred Stock was
duly adopted by the Board of Directors of the Corporation and
effective as of May 5, 1995:

          Whereas the Corporation was created for the purpose of
reincorporating Advanced Technology Laboratories, Inc., a
Delaware corporation (the "Company") by way of a merger with and
into the Corporation, and

          Whereas, the Corporation seeks to retain the prior
rights and interests of its shareholders provided under the
General Corporation Law of the State of Delaware, now, therefore,
under the authority conferred upon the Board of Directors of the
Corporation by Article III of the Articles of Incorporation, the
Directors adopt an identical series of Preferred Stock designated
as Series A Participating Cumulative Preferred Stock which
remains in full force and effect, without further amendment as
follows:

          RESOLVED, that, pursuant to the authority vested in the
Board of Directors of the Corporation in accordance with the
provisions of the Articles of Incorporation of the Corporation, a
series of Preferred Stock of the corporation is hereby created
and that the designation and number of shares thereof and the
voting powers, preferences and relative, participating, optional
and other special rights of the shares of such series, and the
qualifications, limitations and restrictions thereof are as
follows:

Page 1
<PAGE>

          Section 1.  Designation and Number of Shares.  The
shares of such series shall be designated as "Series A
Participating Cumulative Preferred Stock" (the "Series A
Preferred Stack") par value $1.00 per share.  The number of
shares initially constituting the Series A Preferred Stock shall
be 500,000; provided, however, that, if more than a total of
500,000 shares of Series A Preferred Stock shall be issuable upon
the exercise of Rights (the "Rights") issued pursuant to the
Amended and Restated Rights Agreement dated as of June 26, 1992,
between the Corporation and First Chicago Trust Company of New
York, as Rights Agent (the "Rights Agreement"), the Board of
Directors of the corporation, pursuant to RCW 23B.06.020, shall
direct by resolution or resolutions that a certificate be
properly executed and filed as required by RCW 23B.06.020,
providing for the total number of shares of Series A Preferred
Stock authorized to be issued to be increased (to the extent that
the Articles of Incorporation then permits) to the largest number
of whole shares (rounded up to the nearest whole number) issuable
upon exercise of such Rights.

          Section 2.  Dividends or Distributions. (a) Subject to
the prior and superior rights of the holders of shares of any
other series of Preferred Stock or other class of capital stock
of the Corporation ranking prior and superior to the shares of
Series A Preferred Stock with respect to dividends, the holders
of shares of the Series A Preferred Stock shall be entitled to
receive, when, as and if declared by the Board of Directors, out
of the assets of the Corporation legally available therefor, (1)
quarterly dividends payable in cash on the last day of each
fiscal quarter in each year, or such other dates as the Board of
Directors of the Corporation shall approve (each such date being
referred to herein as a "Quarterly Dividend Payment Date"),
commencing on the first Quarterly Dividend Payment Date after the
first issuance of a share or a fraction of a share of Series A
Preferred Stock, in the amount of $.0l per whole share (rounded
to the nearest cent) less the amount of all cash dividends
declared on the Series A Preferred Stock pursuant to the
following clause (2) since the immediately preceding Quarterly
Dividend Payment Date or, with respect to the first Quarterly
Dividend Payment Date, since the first issuance of any share or
fraction of a share of Series A Preferred Stock (the total of
which shall not, in any event, be less than zero) and (2)
dividends payable in cash on the payment date for each cash
dividend declared on the Common Stock in an amount per whole
share (rounded to the nearest cent) equal to the Formula Number
(as hereinafter defined) then in effect times the cash dividends
then to be paid on each share of Common Stock.  In addition, if
the Corporation shall pay any dividend or make any distribution
on the Common Stock payable in assets, securities or other forms
of noncash consideration (other than dividends or distributions
solely in shares of Common Stock), then, in each such case, the
Corporation shall simultaneously pay or make on each outstanding
whole share of Series A Preferred Stock a dividend or
distribution in like kind equal to the Formula Number then in
effect times such dividend or distribution on each share of the
Common Stock.  As used herein, the "Formula Number" shall be 100;
provided, however, that, if at any time after June 26, 1992, the
Corporation shall (i) declare or pay any dividend on the Common Stock 

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<PAGE>

payable in shares of Common Stock or make any distribution
on the Common Stock in shares of Common Stock, (ii) subdivide (by
a stock split or otherwise) the outstanding shares of Common
Stock into a larger number of shares of Common Stock or (iii)
combine (by a reverse stock split or otherwise) the outstanding
shares of Common Stock into a smaller number of shares of Common
Stock, then in each such event the Formula Number shall be
adjusted to a number determined by multiplying the Formula Number
in effect immediately prior to such event by a fraction, the
numerator of which is the number of shares of Common Stock that
are outstanding immediately after such event and the denominator
of which is the number of shares of Common Stock that are
outstanding immediately prior to such event (and rounding the
result to the nearest whole number); and provided further, that,
if at any time after June 26, 1992, the Corporation shall issue
any shares of its capital stock in a merger, reclassification or
change of the outstanding shares of Common Stock, then in each
such event the Formula Number shall be appropriately adjusted to
reflect such merger, reclassification or change so that each
share of Preferred Stock continues to be the economic equivalent
of a Formula Number of shares of Common Stock prior to such
merger, reclassification or change.

          (b)  The Corporation shall declare a dividend or
distribution on the Series A Preferred Stock as provided in
Section 2(a) immediately prior to or at the same time it declares
a dividend or distribution on the Common Stock (other than a
dividend or distribution solely in shares of Common Stock);
provided, however, that, in the event no dividend or distribution
(other than a dividend or distribution in shares of Common Stock)
shall have been declared on the Common Stock during the period
between any Quarterly Dividend Payment Date and the next
subsequent Quarterly Dividend Payment Date, a dividend of $.0l
per share on the Series A Preferred Stock shall nevertheless be
payable on such subsequent Quarterly Dividend Payment Date.  The
Board of Directors may fix a record date for the determination of
holders of shares of Series A Preferred Stock entitled to receive
a dividend or distribution declared thereon, which record date
shall be the same as the record date for any corresponding
dividend or distribution on the Common Stock.

          (c)  Dividends shall begin to accrue and be cumulative
on outstanding shares of Series A Preferred Stock from and after
the Quarterly Dividend Payment Date next preceding the date of
original issue of such shares of Series A Preferred Stock;
provided, however, that dividends on such shares which are
originally issued after the record date for the determination of
holders of shares of Series A Preferred Stock entitled to receive
a quarterly dividend and on or prior to the next succeeding
Quarterly Dividend Payment Date shall begin to accrue and be
cumulative from and after such Quarterly Dividend Payment Date.
Notwithstanding the foregoing, dividends on shares of Series A
Preferred Stock which are originally issued prior to the record
date for the first Quarterly Dividend Payment shall be calculated
as if cumulative from and after the last day of the fiscal
quarter (or such other Quarterly Dividend Payment Date as the
Board of Directors of the Corporation shall approve), 

Page 3
<PAGE>

next preceding the date of original issuance of such shares.  
Accrued but unpaid dividends shall not bear interest.  Dividends 
paid on the shares of Series A Preferred Stock in an amount less 
than the total amount of such dividends at the time accrued and 
payable on such shares shall be allocated pro rata on a share-by-
share basis among all such shares at the time outstanding.

          (d)  So long as any shares of the Series A Preferred
Stock are outstanding, no dividends or other distributions shall
be declared, paid or distributed, or set aside for payment or
distribution, on the Common Stock unless, in each case, the
dividend required by this Section 2 to be declared on the Series
A Preferred Stock shall have been declared.

          (e)  The holders of the shares of Series A Preferred
Stock shall not be entitled to receive any dividends or other
distributions except as provided herein.

          Section 3.  Voting Rights.  The holders of shares of
Series A Preferred Stock shall have the following voting rights:

          (a)  Each holder of Series A Preferred Stock shall be
entitled to a number of votes equal to the Formula Number then in
effect, for each share of Series A Preferred Stock held of record
on each matter on which holders of the Common Stock or
shareholders generally are entitled to vote, multiplied by the
maximum number of votes per share which any holders of the Common
Stock or shareholders generally then have with respect to such
matter (assuming any holding period or other requirement to vote
a greater number of shares is satisfied).

          (b)  Except as otherwise provided herein or by
applicable law, the holders of shares of Series A Preferred Stock
and the holders of shares of Common Stock shall vote together as
one class for the election of directors of the Corporation and on
all other matters submitted to a vote of shareholders of the
Corporation.

          (c)  If, at the time of any annual meeting of
shareholders for the election of directors, the equivalent of six
quarterly dividends (whether or not consecutive) payable on any
share or shares of Series A Preferred Stock are in default, the
number of directors constituting the Board of Directors of the
Corporation shall be increased by two.  In addition to voting
together with the holders of Common Stock for the election of
other directors of the Corporation, the holders of record of the
Series A Preferred Stock, voting separately as a class to the
exclusion of the holders of Common Stock, shall be entitled at
said meeting of shareholders (and at each subsequent annual
meeting of shareholders), unless all dividends in arrears have
been paid or declared and set apart for payment prior thereto, I
to vote for the election of two directors of the Corporation, the
holders of any Series A Preferred Stock being entitled to cast a
number of votes per share of Series A Preferred Stock equal to
the Formula Number.  Until the default in payments of all
dividends which permitted the election of said directors shall

Page 4
<PAGE>

cease to exist, any director who shall have been so elected
pursuant to the next preceding sentence may be removed at any
time, either with or without cause, only by the affirmative vote
of the holders of the shares of Series A Preferred Stock at the
time entitled to cast a majority of the votes entitled to be cast
for the election of any such director at a special meeting of
such holders called for that purpose, and any vacancy thereby
created may be filled by the vote of such holders.  If and when
such default shall cease to exist, the holders of the Series A
Preferred Stock shall be divested of the foregoing special voting
rights, subject to revesting in the event of each and every
subsequent like default in payments of dividends.  Upon the
termination of the foregoing special voting rights, the terms of
office of all persons who may have been elected directors
pursuant to said special voting rights shall forthwith terminate,
and the number of directors constituting the Board of Directors
shall be reduced by two.  The voting rights granted by this
Section 3(c) shall be in addition to any other voting rights
granted to the holders of the Series A Preferred Stock in this
Section 3.

          (d)  Except as provided herein, in Section 11 or by
applicable law, holders of Series A Preferred Stock shall have no
special voting rights and their consent shall not be required
(except to the extent they are entitled to vote with holders of
Common Stock as set forth herein) for authorizing or taking any
corporate action.

          Section 4.  Certain Restrictions. (a) Whenever
quarterly dividends or other dividends or distributions payable
on the Series A Preferred Stock as provided in section 2 are in
arrears, thereafter and until all accrued and unpaid dividends
and distributions, whether or not declared, on shares of Series A
Preferred Stock outstanding shall have been paid in full, the
Corporation shall not

          (i)  declare or pay dividends on, make any other
     distributions on, or redeem or purchase or otherwise acquire
     for consideration any shares of stock ranking junior (either
     as to dividends or upon liquidation, dissolution or winding
     up) to the Series A Preferred, Stock;

          (ii) declare or pay dividends on or make any other
     distributions on any shares of stock ranking on a parity
     (either as to dividends or upon liquidation, dissolution or
     winding up) with the Series A Preferred Stock, except
     dividends paid ratably on the Series A Preferred Stock and
     all such parity stock on which dividends are payable or in
     arrears in proportion to the total amounts to which the
     holders of all such shares are then entitled;
               
          (iii)     redeem or purchase or otherwise acquire for
     consideration shares of any stock ranking on a parity
     (either as to dividends or upon liquidation, dissolution or
     winding up) with the Series A Preferred Stock; provided that
     the Corporation may at any time redeem, purchase or
     otherwise acquire shares of any such parity stock in
     exchange for shares of any stock of the Corporation 

Page 5
<PAGE>

     ranking junior (either as to dividends or upon dissolution,
     liquidation or winding up) to the Series A Preferred Stock;
     or

          (iv) purchase or otherwise acquire for consideration
     any shares of Series A Preferred Stock, or any shares of
     stock ranking on a parity with the Series A Preferred Stock,
     except in accordance with a purchase offer made in writing
     or by publication (as determined by the Board of Directors)
     to all holders of such shares upon such terms as the Board
     of Directors, after consideration of the respective annual
     dividend rates and other relative rights and preferences of
     the respective series and classes, shall determine in good
     faith will result in fair and equitable treatment among the
     respective series or classes.

          (b)  The Corporation shall not permit any subsidiary of
the Corporation to purchase or otherwise acquire for
consideration any shares of stock of the Corporation unless the
Corporation could, under paragraph (a) of this Section 4,
purchase or otherwise acquire such shares at such time and in
such manner.

          Section 5.  Liquidation Rights.  Upon the liquidation,
dissolution or winding up of the Corporation, whether voluntary
or involuntary, no distribution shall be made (1) to the holders
of shares of stock ranking junior (either as to dividends or upon
liquidation, dissolution or winding up) to the Series A Preferred
Stock unless, prior thereto, the holders of shares of Series A
Preferred Stock shall have received an amount equal to the
accrued and unpaid dividends and distributions thereon, whether
or not declared, to the date of such payment, plus an amount
equal to the greater of (x) $.0l per whole share or (y) an
aggregate amount per share equal to the Formula Number then in
effect times the aggregate amount to be distributed per share to
holders of Common Stock or (2) to the holders of stock ranking on
a parity (either as to dividends or upon liquidation, dissolution
or winding up) with the Series A Preferred Stock, except
distributions made ratably on the Series A Preferred Stock and
all other such parity stock in proportion to the total amounts to
which the holders of all such shares are entitled upon such
liquidation, dissolution or winding up.

          Section 6.  Consolidation, Merger, etc.  In case the
Corporation shall enter into any consolidation, merger,
combination or other transaction in which the shares of Common
Stock are exchanged for or changed into other stock or
securities, cash or any other property, then in any such case the
then outstanding shares of Series A Preferred Stock shall at the
same time be similarly exchanged or changed into an amount per
share equal to the Formula Number then in effect times the
aggregate amount of stock, securities, cash or any other property
(payable in kind), as the case may be, into which or for which
each share of Common Stock is exchanged or changed.  In the event
both this Section 6 and Section 2 appear to apply to a
transaction, this Section 6 will control.

          Section 7.  No Redemption; No Sinking Fund. (a)  The
shares of Series A Preferred Stock shall not be subject to
redemption by the Corporation or at the option of 

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<PAGE>

any holder of Series A Preferred Stock; provided, however, that the 
Corporation may purchase or otherwise acquire outstanding shares of 
Series A Preferred Stock in the open market or by offer to any holder 
or holders of shares of Series A Preferred Stock.

          (b)  The shares of Series A Preferred Stock shall not
be subject to or entitled to the operation of a retirement or
sinking fund.

          Section 8.  Ranking.  The Series A Preferred Stock
shall rank junior to all other series of Preferred Stock of the
Corporation, unless the Board of Directors shall specifically
determine otherwise in fixing the powers, preferences and
relative, participating, optional and other special rights of the
shares of such series and the qualifications, limitations and
restrictions thereof.

          Section 9.  Fractional Shares.  The Series A Preferred
Stock shall be issuable upon exercise of the Rights issued
pursuant to the Rights Agreement in whole shares or in any
fraction of a share that is one one-hundredth (1/100th) of a
share or any integral multiple of such fraction which shall
entitle the holder, in proportion to such holder's fractional
shares, to receive dividends, exercise voting rights, participate
in distributions and to have the benefit of all other rights of
holders of Series A Preferred Stock.  In lieu of fractional
shares, the Corporation, prior to the first issuance of a share
or a fraction of a share of Series A Preferred Stock, may elect
(1) to make a cash payment as provided in the Rights Agreement
for fractions of a share other than one one-hundredth (1/100th)
of a share or any integral multiple thereof or (2) to issue
depository receipts evidencing such authorized fraction of a
share of Series A Preferred Stock pursuant to an appropriate
agreement between the Corporation and a depository selected by
the Corporation; provided that such agreement shall provide that
the holders of such depository receipts shall have all the
rights, privileges and preferences to which they are entitled as
holders of the Series A Preferred Stock.
          
          Section 10.  Reacquired Shares.  Any shares of Series A
Preferred Stock purchased or otherwise acquired by the
Corporation in any manner whatsoever shall be retired and
canceled promptly after the acquisition thereof.  All such shares
shall upon their cancellation become authorized but unissued
shares of Preferred Stock, without designation as to series until
such shares are once more designated as part of a particular
series by the Board of Directors pursuant to the provisions of
Article III of the Articles of Incorporation.

          Section 11.  Amendment.  None of the powers,
preferences and relative, participating, optional and other
special rights of the Series A Preferred Stock as provided herein
or in the certificate of Incorporation shall be amended in any
manner which would alter or change the powers, preferences,
rights or privileges of the holders of Series A Preferred Stock
so as to affect them adversely without the affirmative vote of
the holders of at least 66-2/3% of the outstanding shares of
Series A Preferred Stock, voting as a separate class; provided,
however, that no such amendment approved by 

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<PAGE>

the holders of at least 66-2/3% of the outstanding shares of Series 
A Preferred Stock shall be deemed to apply to the powers, preferences, 
rights or privileges of any holder of shares of Series A Preferred Stock
originally issued upon exercise of the Rights after the time of
such approval without the approval of such holder.




          IN WITNESS WHEREOF, ATLI Washington Corporation has
caused this Certificate to be duly executed in its corporate name
on this 3rd day of May, 1995.


                              ATLI WASHINGTON CORPORATION

                               by  /s/ Dennis C. Fill
                                   -----------------------
                                   Name:  Dennis C. Fill
                                   Chief Executive Officer

Page 8



                                                      EXHIBIT 3.2
                                                      -----------
 
                                   BYLAWS 
                                     OF 
                    ADVANCED TECHNOLOGY LABORATORIES, INC. 
 
 
                             ARTICLE 1.  NAME 
  
                                  Offices 
 
SECTION 1.  Registered office 
 
	    The street address of the registered office of the Corporation is 
520 Pike Street, 26th Floor, Seattle, Washington, 98101.  The name of the 
registered agent at such address is The Corporation Trust Company.  If the 
registered agent changes the steet address of the registered office, the 
registered agent may change its street address by notifying in writing the 
Corporation and delivering to the Secretary of State for filing a statement of 
such change, as required by law.   
 
SECTION 2.  Other Offices 
 
	    The Corporation may also have offices at other places either within 
or without the State of Washington. 
 
                                   ARTICLE II 
 
                            Meetings of Shareholders 
 
SECTION 1.  Annual Meetings 
 
	    The annual meeting of the shareholders for the election of directors 
and for the transaction of such other business as may properly come before 
the meeting shall be held at such place, date and hour as shall be designated
in the notice thereof given by or at the direction of the Board of Directors. 
 
SECTION 2.  Special Meetings 
 
	    Except as otherwise required by law and subject to the rights of the 
holders of any class or series of stock having a preference over the Common 
Stock as to dividends or upon liquidation, special meetings of the 
shareholders for any purpose or purposes may be called only by, and shall be 
held at such place, date and hour as shall be designated by (i)  holders of 
two-thirds or more of the voting power of the then-outstanding shares of 
stock of all classes and series of the Corporation entitled to vote generally 
in the 

page 1
<PAGE>

election of Directors ("Voting Stock"), (ii)  the Chairman of the Board, (iii) 
the President or (iv) a majority of the total number of Directors. 
 
SECTION 3.  Notice of Meetings 
 
	    Except as otherwise expressly required by law or these Bylaws, 
notice of each meeting of the shareholders shall be given not less than 10 
or more than 60 days before the date of the meeting to each shareholder 
entitled to vote at such meeting by mailing such notice, postage prepaid, 
directed to the shareholder at his address as it appears on the records of 
the Corporation.  Every such notice shall state the place, date and hour of 
the meeting and, in the case of a Special meeting, the purpose or purposes 
for which the meeting is called.  Except as otherwise expressly required by 
law, notice of any adjourned meeting of the shareholders need not be given.  
Notice of any meeting of shareholder shall not be required to be given to any
shareholder who shall attend such meeting in person or by proxy, except when 
the shareholder attends a meeting for the express purpose of objecting, at
the beginning of the meeting, to the transaction of any business because the
meeting is not lawfully called or convened.  A written waiver of notice,
signed by the person entitled thereto, whether before or after the time
stated therein, shall be deemed equivalent to the notice required by
this Section 3. 
 
 
SECTION 4.  List of Shareholders 
 
	    It shall be the duty of the Secretary or other officer of the 
Corporation who shall have charge of its stock ledger to prepare and make, 
at least 10 days before every meeting of the shareholders, a complete list of 
the shareholders entitled to vote thereat, arranged in alphabetical order and 
by voting group, and showing the address of each shareholder and the number 
of shares registered in the name of each shareholder.  Such list shall be 
open to the examination of any shareholder, for any purpose germane to the 
meeting, during ordinary business hours, for a period of at least 10 days 
prior to the meeting at the principal office of the Corporation.  Such list 
shall also be produced and kept at the time and place of the meeting during 
the whole time thereof, and may be inspected by any shareholder who is 
present. 
 
SECTION 5.  Quorum 
 
	    At each meeting of the shareholder, except as otherwise expressly 
required by law or by the Articles of Incorporation, shareholders holding one-
third of the shares of stock of the Corporation issued and outstanding, and 
entitled to be voted thereat, shall be present in person or by proxy to 
constitute a quorum for the transaction of business.  In the absence of a 
quorum at any such meeting or any adjournment or adjournments thereof, a 
majority in voting interest of those present in person or by proxy and 
entitled 

Page 2
<PAGE>

to vote thereat, or in the absence therefrom of all the shareholders, any 
officer entitled to preside at, or to act as Secretary of, such meeting may 
adjourn such meeting from time to time until shareholders holding the amount 
of stock requisite for a quorum shall be present in person or by proxy.  At 
any such adjourned meeting at which a quorum may be present any business may 
be transacted which might have been transacted at the meeting as originally 
called. 
 
SECTION 6.  Organization 
 
	    At each meeting of the shareholders, one of the following shall act as 
chairman of the meeting and preside thereat, in the following order of 
precedence: 
 
	    (a)  the Chairman of the Board; 
 
	    (b)  the President; 
 
	    (c)  any other officer of the Corporation designated by the Board or 
the Executive Committee to act as chairman of such meeting and to preside 
thereat if the Chairman of the Board and the President shall be absent from 
such meeting; or 
 
	    (d)  a shareholder of record of the Corporation who shall be chosen 
chairman of such meeting by a majority in voting interest of the shareholder 
present in person or by proxy and entitled to vote thereat.  The Secretary, 
or, if he shall be presiding over the meeting in accordance with the 
provisions of this Section, or, if he shall be absent from such meeting, the 
person (who shall be an Assistant Secretary, if an Assistant Secretary shall 
be present thereat) whom the chairman of such meeting shall appoint, shall 
act as secretary of such meeting and keep the minutes thereof. 
 
SECTION 7.  Order of Business 
 
	    (a) Annual Meetings.  At an annual meeting of the shareholders, only
such business shall be conducted as shall have been properly brought before 
the meeting.  To be properly brought before an annual meeting, business must 
be (i) specified in the notice of the meeting (or any supplement thereto) 
given by or at the direction of the Board of Directors, (ii)  otherwise 
brought before the meeting by or at the direction of the Board of Directors 
or (iii)  brought before the meeting by a shareholder in accordance with the 
procedure set forth below.  Subject to the rights of the holders of any class
or series of stock having a preference over the Common Stock as to dividends 
or upon liquidation, for business to be properly brought before an annual 
meeting by a shareholder, the shareholder must have given written notice 
thereof, either by personal delivery or by certified or registered United 
States mail, postage 

Page 3
<PAGE>

prepaid, to the Secretary of the Corporation, not later than 90 days in 
advance of the Originally Scheduled Date (as such term is defined below) of 
such meeting; provided, however, that if such annual meeting of shareholders 
is held on a date earlier than the first Tuesday in May, such written notice 
must be given within 10 days after the first public disclosure (which may be 
by a public filing by the Corporation with the Securities and Exchange 
Commission) of the Originally Scheduled Date of the annual meeting.  Any such 
notice shall set forth as to each matter the shareholder proposes to bring 
before the annual meeting (A)  a brief description of the business desired to 
be brought before the meeting and the reasons for conducting such business at 
the meeting and, in the event that such business includes a proposal to amend 
either the Articles of Incorporation or Bylaws of the Corporation, the 
language of the proposed amendment, (B)  the name and address of the 
shareholder proposing such business, (C)  a representation that the 
shareholder is a holder of record of stock of the Corporation entitled to vote 
at such meeting and intends to appear in person or by proxy at the meeting to 
propose such business and (D)  any direct or indirect material interest of the 
shareholder in such business.  No business shall be conducted at an annual 
meeting except in accordance with this paragraph, and the chairman of any 
annual meeting of shareholders may refuse to permit any business to be brought 
before such annual meeting without compliance with the foregoing procedure.  
For purposes of these Bylaws, the "Originally Scheduled Date" of any meeting 
of shareholders shall be the date such meeting is scheduled to occur in the 
notice of such meeting first given to shareholders regardless of whether such 
meeting is continued or adjourned and regardless of whether any subsequent 
notice is given for such meeting or the record date of such meeting is changed.
 
     (b)  Special Meetings.  At a special meeting of the shareholder, only 
such business as is specified in the notice of such special meeting given by 
or at the direction of the person or persons calling such meeting in 
accordance with Section 2 of this Article II shall come before such meeting. 
 
SECTION 8.  Voting 
 
	    Except as otherwise provided in the Articles of Incorporation, each 
shareholder shall, at each meeting of the shareholders, be entitled to one 
vote in person or by proxy for each share of stock of the Corporation held by 
him and registered in his name on the books of the Corporation:  
 
	    (a)  on the date fixed pursuant to the provisions of Section 5 of 
Article VIII of these Bylaws as the record date for the determination of 
shareholders who shall be entitled to receive notice of and to vote at such 
meeting, or  
 
	    (b)  if no record date shall have been so fixed, then in the manner 
set by RCW 23B.07.070. 
 
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<PAGE>

	    Shares of its own stock belonging to the Corporation or to another 
corporation, if a majority of the shares entitled to vote in the election of 
directors of such other corporation is held by the Corporation, shall neither 
be entitled to vote nor considered as issued and outstanding for the purposes 
of determining whether a quorum exists.  Any vote of stock of the Corporation 
may be given at any meeting of the shareholders by the shareholders entitled 
thereto in person or by proxy appointed by an instrument in writing delivered 
to the Secretary or an Assistant Secretary of the Corporation or the 
secretary of the meeting.  The attendance at any meeting of a shareholder who
may theretofore have given a proxy shall not have the effect of revoking the 
same unless he shall in writing so notify the secretary of the meeting prior 
to the voting of the proxy.  At all meetings of the shareholders all matters,
except as otherwise provided in the Articles of Incorporation, these Bylaws 
or by law, shall be decided by the vote of a majority of the votes cast by 
shareholders present in person or by proxy and entitled to vote thereat, a 
quorum being present.  Except as otherwise expressly required by law, the 
vote at any meeting of the shareholders on any question need not be by 
ballot, unless so directed by the chairman of the meeting.  On a vote by 
ballot each ballot shall be signed by the shareholder voting, or by his 
proxy, if there be such proxy, and shall state the number of shares voted. 

 
                                    ARTICLE III 
 
                                Board of Directors 
 
 
SECTION 1.  General Powers 
 
	    The business and affairs of the Corporation shall be managed by the 
Board. 
 
SECTION 2.  Number, Term of Office and Election 
 
	    Subject to the rights of the holders of any class or series of stock 
having a preference over the Common Stock of the Corporation as to dividends 
or upon liquidation, the number of directors which shall constitute the whole 
Board shall be seven but by vote of a majority of the entire Board the number 
thereof may be increased without limit, or decreased to not less than three, 
by amendment of this Section 2. 
 
	    Each of the directors of the Corporation shall hold office until the 
annual meeting next after his election and until his successor shall be 
elected and shall qualify or until his earlier death or resignation or 
removal in the manner hereinafter provided.  

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<PAGE>
 
	    Directors need not be shareholders of the Corporation. 
 
	    Except as otherwise expressly provided in the Articles of 
Incorporation at each meeting of the shareholders for the election of 
directors at which a quorum is present, the persons receiving the largest 
number of votes cast, up to the number of directors to be elected, shall 
be the directors. 
 
SECTION 3.  Notification of Nominations 
 
	    Subject to the rights of the holders of any class or series of stock 
having a preference over the Common Stock as to dividends or upon liquidation, 
nominations for the election of directors may be made by the Board of 
Directors or by any shareholder entitled to vote for the election of 
directors.  Any shareholder entitled to vote for the election of directors at 
a meeting may nominate persons for election as directors only if written 
notice of such shareholder's intent to make such nomination is given, either 
by personal delivery or by registered or certified United States mail, 
postage prepaid, to the Secretary of the Corporation not later than (i) with 
respect to an election to be held at an annual meeting of shareholders, 90 
days in advance of the Originally Scheduled Date (as such term is defined in 
Section 7 of Article II of these Bylaws) of such meeting (provided that if 
such annual meeting of shareholder is held on a date earlier than the first 
Tuesday in May, such written notice must be given within 10 days after the 
first public disclosure (which may be by a public filing by the Corporation 
with the Securities and Exchange Commission) of the Originally Scheduled Date 
of the annual meeting), and (ii) with respect to an election to be held at a 
special meeting of shareholder for the election of directors, the close of 
business on the seventh day following the date on which notice of such 
meeting is first given to shareholders.  Each such notice shall set forth: 
(a)  the name and address of the shareholder who intends to make the 
nomination and of the person or persons to be nominated, (b)  a 
representation that the shareholderis a holder of record of stock of the 
Corporation entitled to vote at such meeting and intends to appear in person 
or by proxy at the meeting to nominate the person or persons specified in the 
notice, (c)  a description of all arrangements or understandings between the 
shareholder and each nominee and any other person or persons (naming such 
person or persons) pursuant to which the nomination or nominations are to be 
made by the shareholder, (d)  such other information regarding each nominee 
proposed by such shareholder as would have been required to be included in 
a proxy statement filed pursuant to the proxy rules of the Securities and 
Exchange Commission had each nominee been nominated, or intended to be 
nominated, by the Board of Directors, and (e)  the consent of each nominee 
to serve as a director of the Corporation if so elected.  The chairman of the
meeting may refuse to acknowledge the nomination of any person not made in 
compliance with the foregoing procedure. 
 
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<PAGE>

SECTION 4.  Resignation, Removal and Vacancies 
 
     (a) Resignation.  Any director may resign at any time by giving written 
notice of his resignation to the Chairman of the Board, the President or the 
Secretary of the Corporation.  Any such resignation shall take effect at the 
time specified therein, or, if the time when it shall become effective shall 
not be specified therein, then it shall take effect when accepted by action of 
the Board.  Except as aforesaid, the acceptance of such resignation shall not 
be necessary to make it effective. 
 
	    (b) Vacancies.  Subject to the rights of the holders of any class or 
series of stock having a preference over the Common Stock of the Corporation 
as to dividends or upon liquidation, in case of any vacancy on the Board or 
in case of any newly created directorship, a director to fill the vacancy or 
the newly created directorship for the unexpired portion of the term being 
filled may be elected by a majority of the directors of the Corporation then 
in office though less than a quorum or by a sole remaining director. 
 
SECTION 5.  Meetings 
 
	    (a)  Annual Meetings.  As soon as practicable after each annual 
election of directors, the Board shall meet for the purpose of organization 
and the transaction of other business. 
 
	    (b)  Regular Meetings.  Regular meetings of the Board shall be held 
at such times and places as the Board shall from time to time determine. 
Notices of regular meetings need not be given. 
 
	    (c)  Special Meetings.  Special meetings of the Board shall be held 
whenever called by the Chairman of the Board, the President or three directors.
The Secretary shall give notice to each director of each such special meeting, 
including the time and place of such meeting.  Notice of each such meeting 
shall be mailed to each director, addressed to him at his residence or usual 
place of business, at least five days or, in the case of overnight mail, two 
days before the day on which such meeting is to be held, or shall be sent 
tohim by telegraph, cable, wireless or other form of recorded communication 
or be delivered personally or by telephone not later than the day before the 
day on which such meeting is to be held.  Notice of any special meeting shall
not be required to be given to any director who shall attend such meeting.  
A written waiver of notice, signed by the person entitled thereto, whether 
before or after the time stated therein, shall be deemed equivalent to 
notice.  Any and all business may be transacted at a special meeting which 
may be transacted at a regular meeting of the Board. 
 
	    (d)  Place of Meeting.  The Board may hold its meetings at such 
place or places within or without the State of Washington as the Board may 
from 

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<PAGE>

time to time by resolution determine or, in the absence of such determination, 
as shall be designated in the respective notices or waivers of notice thereof 
as directed by the person or persons calling such meeting. 
 
	    (e)  Quorum and Manner of Acting.  A majority of the directors then 
in office shall be present in person or by means of conference telephone or 
similar communications equipment as permitted by the Washington Business 
Corporation Act (the "Act") at any meeting of the Board of Directors in order 
to constitute a quorum for the transaction of business at such meeting 
provided that such majority shall be no less than one-third of the total 
number of directors.  The affirmative vote of a majority of those directors 
present at any such meeting at which a quorum is present shall be necessary 
for the passage of any resolution or act of the Board, except as otherwise 
expressly required by law, the Articles of Incorporation or these Bylaws and 
except that the Board may pass any resolution or take any action by unanimous 
written consent as permitted by the Act.  In the absence of a quorum for any 
such meeting, a majority of the directors present thereat may adjourn such 
meeting from time to time until a quorum shall be present thereat.  Notice of 
any adjourned meeting need not be given. 
 
     (f)  Organization.  At each meeting of the Board, one of the following 
shall act as chairman of the meeting and preside thereat, in the following 
order of precedence: 
 
     (i)   the Chairman of the Board; 
 
     (ii)  the President; or 
 
     (iii) any director chosen by a majority of the directors present 	
	          thereat. 
 
	    The Secretary or, in the case of his absence, any person (who shall 
be an Assistant Secretary, if an Assistant Secretary shall be present 
thereat) whom the chairman of the meeting shall appoint, shall act as Secretary
of such meeting and keep the minutes thereof. 
 
SECTION 6.  Compensation 
 
	    Each director, in consideration of his serving as such, shall be 
entitled to receive from the Corporation such amount per annum or such fees 
for attendance at meetings of the Board or of any committee, or both, as the 
Board shall from time to time determine.  The Board may likewise provide that 
the Corporation shall reimburse each director or member of a committee for any 
expenses incurred by him on account of his attendance at any such meeting.  
Nothing contained in this Section shall be construed to preclude 

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<PAGE>

any director from serving the Corporation in any other capacity and receiving
compensation therefor. 

 
                                    ARTICLE IV 
 
 
                                    Committees 
 
 
SECTION 1.  Executive Committee 
 
	    (a)  Designation and Membership.  The Board may, by resolution 
passed by a majority of the whole Board, designate an Executive Committee 
consisting of the Chairman of the Board, the President, a Chairman of the 
Executive Committee (who may be the Chairman of the Board or President) and 
such additional number of directors as the Board shall appoint.  Vacancies 
may be filled by the Board at any time and any member of the Executive 
Committee shall be subject to removal, with or without cause, at any time 
by the Board. 
 
	    (b)  Factions and Powers.  The Executive Committee, subject to any 
limitations prescribed by the Board or by RCW 23B.08.250, shall possess and 
may exercise, during the intervals between meetings of the Board, the powers 
of the Board in the management of the business and affairs of the Corporation, 
provided that neither the Executive Committee nor any other committee may 
exercise the power of the Board to act upon matters requiring a vote thereof 
greater than a majority of directors present at a meeting at which a quorum 
is in attendance.  At each meeting of the Board, the Executive Committee shall 
make a report of all action taken by it since its last report to the Board. 
 
	    (c)  Meetings.  The Executive Committee shall meet as often as may 
be deemed necessary and expedient at such times and places as shall be 
determined by the Executive Committee or the Board of Directors.  The 
Secretary shall give notice to each member of the Executive Committee of each 
meeting, including the time and place of such meeting.  Notice of each such 
meeting shall be mailed to each member of the Executive Committee, addressed 
to him at his residence or usual place of business, at least five days or, in
the case of overnight mail, two days before the day on which such meeting is 
to be held, or shall be sent to him by telegraph, cable, wireless or other 
form of recorded communication or be delivered personally or by telephone not
later than the day before the day on which such meeting is to be held.  
Notice of any meeting of the Executive Committee shall not be required to be 
given to any member of the Executive Committee who shall attend such meeting.
A written waiver of notice, signed by the person 

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<PAGE>

entitled thereto, whether before or after the time stated therein, shall be 
deemed equivalent to the notice required by this paragraph (c).   
 
SECTION 2.  Quorum and Manner of Acting 
 
	    A majority of the Executive Committee present in person or by means 
of conference telephone or similar communications equipment as permitted by 
the Act shall constitute a quorum, and the vote of a majority of members of 
the Executive Committee present at any such meeting at which a quorum is 
present shall be necessary for the passage of any resolution or act of the 
Executive Committee except that the Executive Committee may pass any 
resolution or take any action by unanimous written consent as permitted by 
the Act.  The Chairman of the Executive Committee shall preside at meetings 
of the Executive Committee and, in his absence, the Executive Committee may 
appoint any other member of the Executive Committee to preside. 
 
SECTION 3.  Other Committees 
 
	    The Board may, by resolution passed by a majority of the whole 
Board, designate other committees, each committee to consist of two or more 
directors and to have such duties and functions as shall be provided in such 
resolution. 
 
                                 ARTICLE V 
 
                                  Officers 
 
SECTION 1.  Election and Appointment and Term of Office 
 
	    (a)  Officers.  The officers of the Corporation shall be a Chairman 
of the Board, a President, a Chairman of the Executive Committee, such number
of Vice Presidents (including any Executive and/or Senior Vice Presidents) as 
the Board may determine from time to time, a Treasurer and a Secretary.  Each 
such officer shall be elected by the Board at its annual meeting and shall 
hold office until the next annual meeting of the Board and until his 
successor is elected and qualified or until his earlier death or resignation 
or removal in the manner hereinafter provided.    
 
	    (b)  Additional Officers.  The Board may elect or appoint such other 
officers (including one or more Assistant Treasurers and one or more Assistant 
Secretaries) as it deems necessary, who shall have such authority and shall 
perform such duties as the Board may prescribe.  If additional officers are 
elected or appointed during the year, each of them shall hold office until the
next annual meeting of the Board at which officers are regularly elected or 
appointed and until his successor is elected or appointed 

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<PAGE>

and qualified or until his earlier death or resignation or removal in the 
manner hereinafter provided. 
 
SECTION 2.  Resignation, Removal and Vacancies 
 
	    Any officer may resign at anytime by giving written notice to the 
Chairman of the Board, the President or the Secretary of the Corporation, and 
such resignation shall take effect at the time specified therein or, if the 
time when it shall become effective shall not be specified therein, then it 
shall take effect when accepted by action of the Board.  Except as aforesaid, 
the acceptance of such resignation shall not be necessary to make it 
effective.  All officers and agents elected or appointed by the Board shall 
be subject to removal at any time by the Board with or without cause.  A 
vacancy in any office may be filled for the unexpired portion of the term in 
the same manner as provided for election or appointment to such office. 
 
SECTION 3.  Duties and Functions 
 
	    (a)  Chairman of the Board.  The Chairman of the Board shall be the 
chief executive officer of the Corporation and shall have general charge of 
the business and affairs of the Corporation and shall have the direction of 
all other officers, agents and employees.  He shall preside at all meetings of 
the Board of Directors and of the shareholders at which he is present.  The 
Chairman may delegate such duties to the other officers of the Corporation 
as he deems appropriate. 
 
    	(b)  President.  The President shall be the chief operating officer of 
the Corporation and shall report to the Chairman of the Board.  He shall 
preside at meetings of the Board of Directors and of the shareholders at 
which he is present in the absence of the Chairman of the Board. 
 
	    (c)  Chairman of the Executive Committee.  The Chairman of the 
Executive Committee shall preside at all meetings of the Executive Committee 
at which he is present. 
 
	    (d)  Vice Presidents.  Each Vice President shall have such powers 
and duties as shall be prescribed by the Chairman of the Board or the Board. 
 
	    (e)  Treasurer.  The Treasurer shall have charge and custody of and 
be responsible for all funds and securities of the Corporation. 
 
	    (f)  Secretary.  The Secretary shall keep the records of all meetings 
of the shareholders and of the Board and the Executive Committee.  He shall 
affix the seal of the Corporation to all deeds, contracts, bonds or other 
instruments requiring the corporate seal when the same shall have been signed 
on behalf of the Corporation by a duly authorized officer.  The Secretary 
shall be 

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<PAGE>

the custodian of all contracts, deeds, documents and all other indicia of 
title to properties owned by the Corporation and of its other corporate 
records (except accounting records). 

 
                                 ARTICLE VI 
 
                     Contracts, Deposits, Proxies, Etc. 
 
SECTION 1.  Execution of Documents 
 
	    The Board shall designate the officers, employees and agents of the 
Corporation who shall have power to execute and deliver deeds, contracts, 
mortgages, bonds, debentures, checks, drafts and other orders for the payment
of money and other documents for and in the name of the Corporation and may 
authorize such officers, employees and agents to delegate such power 
(including authority to redelegate) by written instrument to other officers, 
employees or agents of the Corporation. 
 
SECTION 2.  Deposits 
 
	    All funds of the Corporation not otherwise employed shall be 
deposited from time to time to the credit of the Corporation or otherwise as 
the Board or the President or any other officer of the Corporation to whom 
power in that respect shall have been delegated by the Board shall select. 
 
SECTION 3.  Proxies in Respect of Stock or Other Securities of Other 
            Corporations 
 
	    The Board shall designate the officer of the Corporation who shall 
have authority to from time to time appoint an agent or agents of the 
Corporation to exercise in the name and on behalf of the Corporation the 
powers and rights which the Corporation may have as the holder of stock or 
other secrets in any other corporation and to vote or consent in respect of 
such stock or securities.  Such designated officer may instruct the person or
persons so appointed as to the manner of exercising such powers and rights 
and such designated officers may execute or cause to be executed in the name 
and on behalf of the Corporation and under its corporate seal, or otherwise, 
such written proxies, powers of attorney or other instruments as they may deem
necessary or proper in order that the Corporation may exercise such powers 
and rights. 

 
                                 ARTICLE VII 
 
                              Books and Records 
 
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<PAGE>


	    The books and records of the Corporation may be kept at such places 
within or without the State of Washington as the Board may from time to time 
determine. 

 
                                 ARTICLE VIII 
 
               Shares and Their Transfer; Fixing Record Date 
 
SECTION 1.  Certificates for Stock 
 
	    Every owner of stock of the Corporation shall be entitled to have a 
certificate certifying the number of shares owned by him in the Corporation 
and designating the class of stock to which such shares belong, which shall 
otherwise be in such form as the Board shall prescribe.  Each such certificate 
shall be signed by, or in the name of the Corporation by, the Chairman of the
Board, the President or a Vice President and by the Treasurer or an Assistant 
Treasurer or the Secretary or an Assistant Secretary of the Corporation.  In 
case any officer who has signed or whose facsimile signature has been placed 
upon a certificate shall have ceased to be such officer before such 
certificate is issued, it may nevertheless be issued by the corporation with 
the same effect as if he were such officer at the date of issue. 
 
SECTION 2.  Record 
 
	    A record shall be kept of the name of the person, firm or 
corporation owning the stock represented by each certificate for stock of 
the Corporation issued, the number of shares represented by each Such 
certificate, and the date thereof, and, in the case of cancellation, the 
date of cancellation.  Except as otherwise expressly required by applicable 
law, the person in whose name shares of stock stand on the books of the 
Corporation shall be deemed the owner thereof for all purposes as regards 
the Corporation. 
 
SECTION 3.  Transfer of Stock 
 
	    Transfers of shares of the stock of the Corporation shall be made 
only on the books of the Corporation by the registered holder thereof, or 
by his attorney thereunto authorized by power of attorney duly executed and 
filed with the Secretary of the Corporation, and on the surrender of the 
certificate or certificates for such shares properly endorsed. 
 
SECTION 4.  Lost, Stolen, Destroyed or Mutilated Certificates 
 
	    The holder of any stock of the Corporation shall immediately notify 
the Corporation of any loss, theft or mutilation of the certificate therefor.
The Corporation may issue a new certificate for stock in the place of any 
certificate theretofore issued by it and alleged to have been lost, stolen, 
destroyed or 

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<PAGE>

mutilated, and the Board may, in its discretion, require the owner of the 
lost, stolen, mutilated or destroyed certificate or his legal representatives
to give the Corporation a bond in such sum, limited or unlimited, in such 
form and with such surety or sureties as the Board shall in its discretion 
determine, to indemnify the Corporation against any claim that may be made 
against it on account of the alleged loss, theft, mutilationor destruction of
any such certificate or the issuance of any such new certificate. 
 
SECTION 5.  Fixing Date for Determination of Shareholders of Record 
 
    	In order that the Corporation may determine the shareholders entitled to 
notice of or to vote at any meeting of shareholders or any adjournment 
thereof, or to express consent to corporate action in writing without a 
meeting, or entitled to receive payment of any dividend or other distribution
or allotment of any rights, or entitled to exercise any rights in respect of 
any change, conversion or exchange of stock or for the purpose of any other 
lawful action, the Board may fix, in advance, a record date, which shall not 
be more than 60 nor less than 10 days before the date of such meeting, nor 
more than 60 days prior to any other action, except that notice of a meeting 
to act on an amendment to the Articles of Incorporation, a plan of merger or 
share exchange, the sale, lease, exchange or disposition of all or 
substantially all of the Corporation's assets other than through the regular 
course of business or the dissolution of the Corporation shall be given not 
less than 20 nor more than 60 days before such meeting. 

 
                                  ARTICLE IX 
 
                                     Seal 
 
    	The Board shall provide a corporate seal, which shall be in the form of 
a circle and shall bear the full name of the Corporation and the words and 
figures "Corporate Seal 1995 Washington."  

 
                                   ARTICLE X 
 
                                  Fiscal Year 
 
	    The fiscal year of the Corporation shall end on the 31st of December 
in each year.   

 
                                   ARTICLE XI 
 
                                   Amendments 
 
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<PAGE>
 
SECTION 1.  By Shareholders	 
 
	    These Bylaws may be amended or repealed by shareholders in the 
manner set forth in Article II Sections 7 and 8 of these Bylaws at any 
regular or special meeting of shareholders.   
 
SECTION 2.  By Directors 
 
	    The Board of Directors shall have power to amend or repeal the 
Bylaws of, or adopt new bylaws for, the Corporation.  However, any such 
Bylaws, or any alteration, amendment or repeal of the Bylaws, may be 
subsequently changed or repealed by the holders of a majority of the stock 
entitled to vote at an annual or special meeting of shareholders. 
 
SECTION 3.  Emergency Bylaws 
 
	    The Board of Directors may adopt emergency Bylaws, subject to repeal 
or change by action of the shareholders, which shall be operative during an 
emergency in the conduct of the business of the Corporation resulting from an 
attack on the United States, any state of emergency declared by the federal 
government or any subdivision therof, or any other catastrophic event.		 


July 28, 1995	                  	                     Bylaws - Washington

Page 15 




                                                      EXHIBIT 20
                                                      ----------

Advanced Technology Laboratories

[ATL] Logo                                                   PRESS RELEASE 
                                                     For Immediate Release 
                                 Contact:  Anne Bugge, ATL, (206) 487-7081 
                                         Jane Hedberg, ATL, (206) 487-7323 
                                 Doris Christelis, GTFH PR, (617) 722-9706 
 
 
 
            FDA ADVISORY PANEL UNANIMOUSLY RECOMMENDS APPROVAL 
                          FOR ATL ULTRASOUND  
    Breast Imaging Method Could Significantly Reduce Breast Biopsies 
 
Washington, D.C., December 11, 1995--A U.S. Food and Drug Administration 
(FDA) Advisory Committee Panel voted unanimously today to recommend FDA 
approval of the pre-market approval (PMA) application submitted by ATL 
(Advanced Technology Laboratories), a Seattle-based medical ultrasound 
company.  ATL's PMA will allow a new clinical application of ultrasound that,
in conjunction with mammography, will provide physicians with a high level of 
confidence in differentiating benign from malignant or suspicious breast 
lesions, and thereby significantly reduce the need for breast biopsy. 
 
The Advisory Panel recommended approval with the following conditions:   
labeling be specific to detection of lesions 1 centimeter or larger, unless 
analysis of study data demonstrates statistical significance in smaller 
lesions, and that the company also provide training for all clinical users 
in this new clinical application.  The company indicated it would comply 
with these conditions. 
 
ATL's PMA application was based on the findings of an international multi-
center study involving over 1000 women with breast lesions.  Clinical 
investigators found that the number of breast biopsies could be reduced by 
using ATL's High Definition (TM) digital ultrasound to identify as benign, and 
therefore not malignant, lesions that were characterized as indeterminate by 
mammography.  In the United States, over 700,000 women undergo breast biopsy 
each year.  Up to 80% of these breast lumps are found to be benign.   

                                               more...
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<PAGE>


"Ultrasound has been used for many years to differentiate cysts from solid 
breast masses.  Now, the results of this clinical trial show that this 
technology can differentiate among solid breast masses helping physicians 
identify those that are benign without surgery or needle biopsy," said 
Ellen Mendelson, M.D., Director of the Breast Diagnostic Imaging Center at 
the Western Pennsylvania Hospital, Pittsburgh, and an investigator in the 
ATL PMA study.  "This study represents an important step in women's health 
care and demonstrates the potential to spare hundreds of thousands of women 
the physical, emotional and financial costs of surgical breast biopsies," 
added Dr. Mendelson.  
 
A breast ultrasound examination using the ATL Ultramark(R) 9 HDI(R) (High 
Definition Imaging) system will help physicians better determine which 
patients do not require surgical or needle biopsy of a breast lump.  The 
15-minute, painless ultrasound examination is performed following a 
diagnostic mammogram of a suspicious breast lesion.   
 
There are two types of biopsy:  surgical and needle.  The majority of breast  
biopsies are done surgically and involve removal of a tissue sample averaging 
2.4 cubic inches, resulting in both external and internal scarring.  Internal 
scarring can be medically significant because scar tissue can make future 
mammograms more difficult to interpret. 
 
The FDA accepted the filing of ATL's PMA application in May 1994.  The FDA 
usually follows the recommendation of its advisory panel but is not obliged 
to do so.  If the PMA receives final FDA approval, ATL would be the first 
medical imaging company to receive PMA clearance for a specific diagnostic 
claim. 
 
ATL has pioneered all-digital broadband ultrasound technology over the past 
ten years and launched its High Definition Imaging system in 1991.  Last year,
the company introduced its fourth-generation all-digital system, the 
HDI 3000.  If the FDA approves the PMA, the company will file a PMA 
supplement to add this new use to the HDI 3000 system. 
 
                                             more...
Page 2
<PAGE>


ATL is a worldwide leader in the development, manufacture, distribution and 
service of diagnostic medical ultrasound systems.  Headquartered near Seattle, 
Washington, the company has achieved revenues of approximately $385 million 
over the past 12 months.  ATL stock is traded on the Nasdaq National Market 
System under the symbol ATLI. 
 
                                     ### 
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