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Previous: MORGENTHALER VENTURE PARTNERS II, SC 13G/A, 1997-02-18 |
Next: MORGENTHALER VENTURE PARTNERS II, SC 13G/A, 1997-02-18 |
<PAGE> 1
THIS DOCUMENT IS A CONFIRMING COPY OF THE AMENDMENT NO. 1 TO SCHEDULE 13G FILED
ON FEBRUARY 18, 1997 PURSUANT TO A RULE 201 TEMPORARY HARDSHIP EXEMPTION
--------------------------
OMB APPROVAL
--------------------------
OMB Number: 3235-0145
Expires: December 31, 1997
Estimated average burden
hours per response...14.90
--------------------------
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
SCHEDULE 13G
UNDER THE SECURITIES EXCHANGE ACT OF 1934
(Amendment No.1)*
Censtor Corporation
-----------------------------------------------------------------------------
(Name of Issuer)
Common Stock, no par value
-----------------------------------------------------------------------------
(Title of Class of Securities)
151324 10 0
-----------------------------------------------------------------------------
(Cusip Number)
Check the following box if a fee is being paid with this statement [ ]. (A fee
is not required only if the filing person: (1) has a previous statement on file
reporting beneficial ownership of more than five percent of the class of
securities described in Item 1; and (2) has filed no amendment subsequent
thereto reporting beneficial ownership of five percent or less of such class.)
(See Rule 13d-7).
*The remainder of this cover page shall be filled out for a reporting person's
initial filing on this form with respect to the subject class of securities,
and for any subsequent amendment containing information which would alter the
disclosures provided in a prior cover page.
The information required in the remainder of this cover page shall not be
deemed to be "filed" for the purpose of Section 18 of the Securities
Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that
section of the Act but shall be subject to all other provisions of the Act
(however, see the Notes).
Page 1 of 15
<PAGE> 2
<TABLE>
CUSIP NO. 151324 10 0 13G PAGE 2 OF 15 PAGES
<S> <C>
- -----------------------------------------------------------------------------------------------------------
| 1 | NAME OF REPORTING PERSON |
| | S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON |
| | |
| | Morgenthaler Venture Partners II 34-1443153 |
|-----|---------------------------------------------------------------------------------------------------|
| 2 | CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ] |
| | ---- |
| | (b) [ ] |
| | ---- |
|-----|---------------------------------------------------------------------------------------------------|
| 3 | SEC USE ONLY |
| | |
|-----|---------------------------------------------------------------------------------------------------|
| 4 | CITIZENSHIP OR PLACE OF ORGANIZATION |
| | |
| | Ohio |
|-------------------------------|-------|-----------------------------------------------------------------|
| NUMBER OF | 5 | SOLE VOTING POWER |
| | | |
| SHARES | | 0 |
| |-------|-----------------------------------------------------------------|
| BENEFICIALLY | 6 | SHARED VOTING POWER |
| | | |
| OWNED BY | | 0 |
| |-------|-----------------------------------------------------------------|
| EACH | 7 | SOLE DISPOSITIVE POWER |
| | | |
| REPORTING | | |
| | | 0 |
| PERSON |-------|-----------------------------------------------------------------|
| | 8 | SHARED DISPOSITIVE POWER |
| WITH | | |
| | | 0 |
|-------------------------------|-------|-----------------------------------------------------------------|
| 9 | AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON |
| | |
| | 0 |
|-----|---------------------------------------------------------------------------------------------------|
| 10 | CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN |
| | SHARES* [ ] |
| | ---- |
|-----|---------------------------------------------------------------------------------------------------|
| 11 | PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) |
| | |
| | 0 |
|-----|---------------------------------------------------------------------------------------------------|
| 12 | TYPE OF REPORTING PERSON* |
| | |
| | PN |
- -----------------------------------------------------------------------------------------------------------
</TABLE>
*SEE INSTRUCTIONS BEFORE FILLING OUT
<PAGE> 3
<TABLE>
CUSIP NO. 151324 10 0 13G PAGE 3 OF 15 PAGES
<S> <C>
- -----------------------------------------------------------------------------------------------------------
| 1 | NAME OF REPORTING PERSON |
| | S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON |
| | |
| | Morgenthaler Management Partners II 34-1443154 |
|-----|---------------------------------------------------------------------------------------------------|
| 2 | CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ] |
| | ---- |
| | (b) [ ] |
| | ---- |
|-----|---------------------------------------------------------------------------------------------------|
| 3 | SEC USE ONLY |
| | |
|-----|---------------------------------------------------------------------------------------------------|
| 4 | CITIZENSHIP OR PLACE OF ORGANIZATION |
| | |
| | Ohio |
|-------------------------------|-------|-----------------------------------------------------------------|
| NUMBER OF | 5 | SOLE VOTING POWER |
| | | |
| SHARES | | 0 |
| |-------|-----------------------------------------------------------------|
| BENEFICIALLY | 6 | SHARED VOTING POWER |
| | | |
| OWNED BY | | 0 |
| |-------|-----------------------------------------------------------------|
| EACH | 7 | SOLE DISPOSITIVE POWER |
| | | |
| REPORTING | | |
| | | 0 |
| PERSON |-------|-----------------------------------------------------------------|
| | 8 | SHARED DISPOSITIVE POWER |
| WITH | | |
| | | 0 |
|-------------------------------|-------|-----------------------------------------------------------------|
| 9 | AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON |
| | |
| | 0 |
|-----|---------------------------------------------------------------------------------------------------|
| 10 | CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN |
| | SHARES* [ ] |
| | ---- |
|-----|---------------------------------------------------------------------------------------------------|
| 11 | PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) |
| | |
| | 0 |
|-----|---------------------------------------------------------------------------------------------------|
| 12 | TYPE OF REPORTING PERSON* |
| | |
| | PN |
- -----------------------------------------------------------------------------------------------------------
</TABLE>
*SEE INSTRUCTIONS BEFORE FILLING OUT
<PAGE> 4
<TABLE>
CUSIP NO. 151324 10 0 13G PAGE 4 OF 15 PAGES
<S> <C>
- -----------------------------------------------------------------------------------------------------------
| 1 | NAME OF REPORTING PERSON |
| | S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON |
| | |
| | David T. Morgenthaler ###-##-#### |
|-----|---------------------------------------------------------------------------------------------------|
| 2 | CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ] |
| | ---- |
| | (b) [ ] |
| | ---- |
|-----|---------------------------------------------------------------------------------------------------|
| 3 | SEC USE ONLY |
| | |
|-----|---------------------------------------------------------------------------------------------------|
| 4 | CITIZENSHIP OR PLACE OF ORGANIZATION |
| | |
| | United States |
|-------------------------------|-------|-----------------------------------------------------------------|
| NUMBER OF | 5 | SOLE VOTING POWER |
| | | |
| SHARES | | 0 |
| |-------|-----------------------------------------------------------------|
| BENEFICIALLY | 6 | SHARED VOTING POWER |
| | | |
| OWNED BY | | 0 |
| |-------|-----------------------------------------------------------------|
| EACH | 7 | SOLE DISPOSITIVE POWER |
| | | |
| REPORTING | | 0 |
| | | |
| PERSON |-------|-----------------------------------------------------------------|
| | 8 | SHARED DISPOSITIVE POWER |
| WITH | | |
| | | 0 |
|-------------------------------|-------|-----------------------------------------------------------------|
| 9 | AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON |
| | |
| | 0 |
|-----|---------------------------------------------------------------------------------------------------|
| 10 | CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN |
| | SHARES* [ ] |
| | ---- |
|-----|---------------------------------------------------------------------------------------------------|
| 11 | PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) |
| | |
| | 0 |
|-----|---------------------------------------------------------------------------------------------------|
| 12 | TYPE OF REPORTING PERSON* |
| | |
| | IN |
- -----------------------------------------------------------------------------------------------------------
</TABLE>
*SEE INSTRUCTIONS BEFORE FILLING OUT
<PAGE> 5
<TABLE>
CUSIP NO. 151324 10 0 13G PAGE 5 OF 15 PAGES
<S> <C>
- -----------------------------------------------------------------------------------------------------------
| 1 | NAME OF REPORTING PERSON |
| | S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON |
| | |
| | Morganthaler Family Partnership 34-1338916 |
|-----|---------------------------------------------------------------------------------------------------|
| 2 | CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ] |
| | ---- |
| | (b) [ ] |
| | ---- |
|-----|---------------------------------------------------------------------------------------------------|
| 3 | SEC USE ONLY |
| | |
|-----|---------------------------------------------------------------------------------------------------|
| 4 | CITIZENSHIP OR PLACE OF ORGANIZATION |
| | |
| | Ohio |
|-------------------------------|-------|-----------------------------------------------------------------|
| NUMBER OF | 5 | SOLE VOTING POWER |
| | | |
| SHARES | | 0 |
| |-------|-----------------------------------------------------------------|
| BENEFICIALLY | 6 | SHARED VOTING POWER |
| | | |
| OWNED BY | | 0 |
| |-------|-----------------------------------------------------------------|
| EACH | 7 | SOLE DISPOSITIVE POWER |
| | | |
| REPORTING | | |
| | | 0 |
| PERSON |-------|-----------------------------------------------------------------|
| | 8 | SHARED DISPOSITIVE POWER |
| WITH | | |
| | | 0 |
|-------------------------------|-------|-----------------------------------------------------------------|
| 9 | AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON |
| | |
| | 0 |
|-----|---------------------------------------------------------------------------------------------------|
| 10 | CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN |
| | SHARES* [ ] |
| | ---- |
|-----|---------------------------------------------------------------------------------------------------|
| 11 | PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) |
| | |
| | 0 |
|-----|---------------------------------------------------------------------------------------------------|
| 12 | TYPE OF REPORTING PERSON* |
| | |
| | PN |
- -----------------------------------------------------------------------------------------------------------
</TABLE>
*SEE INSTRUCTIONS BEFORE FILLING OUT
<PAGE> 6
<TABLE>
CUSIP NO. 151324 10 0 13G PAGE 6 OF 15 PAGES
<S> <C>
- -----------------------------------------------------------------------------------------------------------
| 1 | NAME OF REPORTING PERSON |
| | S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON |
| | |
| | Robert D. Pavey ###-##-#### |
|-----|---------------------------------------------------------------------------------------------------|
| 2 | CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ] |
| | ---- |
| | (b) [ ] |
| | ---- |
|-----|---------------------------------------------------------------------------------------------------|
| 3 | SEC USE ONLY |
| | |
|-----|---------------------------------------------------------------------------------------------------|
| 4 | CITIZENSHIP OR PLACE OF ORGANIZATION |
| | |
| | United States |
|-------------------------------|-------|-----------------------------------------------------------------|
| NUMBER OF | 5 | SOLE VOTING POWER |
| | | |
| SHARES | | 0 |
| |-------|-----------------------------------------------------------------|
| BENEFICIALLY | 6 | SHARED VOTING POWER |
| | | |
| OWNED BY | | 0 |
| |-------|-----------------------------------------------------------------|
| EACH | 7 | SOLE DISPOSITIVE POWER |
| | | |
| REPORTING | | |
| | | 0 |
| PERSON |-------|-----------------------------------------------------------------|
| | 8 | SHARED DISPOSITIVE POWER |
| WITH | | |
| | | 0 |
|-------------------------------|-------|-----------------------------------------------------------------|
| 9 | AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON |
| | |
| | 0 |
|-----|---------------------------------------------------------------------------------------------------|
| 10 | CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN |
| | SHARES* [ ] |
| | ---- |
|-----|---------------------------------------------------------------------------------------------------|
| 11 | PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) |
| | |
| | 0 |
|-----|---------------------------------------------------------------------------------------------------|
| 12 | TYPE OF REPORTING PERSON* |
| | |
| | IN |
- -----------------------------------------------------------------------------------------------------------
</TABLE>
*SEE INSTRUCTIONS BEFORE FILLING OUT
<PAGE> 7
<TABLE>
CUSIP NO. 151324 10 0 13G PAGE 7 OF 15 PAGES
<S> <C>
- -----------------------------------------------------------------------------------------------------------
| 1 | NAME OF REPORTING PERSON |
| | S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON |
| | |
| | Pavey Family Partnership 34-1338919 |
|-----|---------------------------------------------------------------------------------------------------|
| 2 | CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ] |
| | ---- |
| | (b) [ ] |
| | ---- |
|-----|---------------------------------------------------------------------------------------------------|
| 3 | SEC USE ONLY |
| | |
|-----|---------------------------------------------------------------------------------------------------|
| 4 | CITIZENSHIP OR PLACE OF ORGANIZATION |
| | |
| | Ohio |
|-------------------------------|-------|-----------------------------------------------------------------|
| NUMBER OF | 5 | SOLE VOTING POWER |
| | | |
| SHARES | | 0 |
| |-------|-----------------------------------------------------------------|
| BENEFICIALLY | 6 | SHARED VOTING POWER |
| | | |
| OWNED BY | | 0 |
| |-------|-----------------------------------------------------------------|
| EACH | 7 | SOLE DISPOSITIVE POWER |
| | | |
| REPORTING | | |
| | | 0 |
| PERSON |-------|-----------------------------------------------------------------|
| | 8 | SHARED DISPOSITIVE POWER |
| WITH | | |
| | | 0 |
|-------------------------------|-------|-----------------------------------------------------------------|
| 9 | AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON |
| | |
| | 0 |
|-----|---------------------------------------------------------------------------------------------------|
| 10 | CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN |
| | SHARES* [ ] |
| | ---- |
|-----|---------------------------------------------------------------------------------------------------|
| 11 | PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) |
| | |
| | 0 |
|-----|---------------------------------------------------------------------------------------------------|
| 12 | TYPE OF REPORTING PERSON* |
| | |
| | PN |
- -----------------------------------------------------------------------------------------------------------
</TABLE>
*SEE INSTRUCTIONS BEFORE FILLING OUT
<PAGE> 8
<TABLE>
CUSIP NO. 151324 10 0 13G PAGE 8 OF 15 PAGES
<S> <C>
- -----------------------------------------------------------------------------------------------------------
| 1 | NAME OF REPORTING PERSON |
| | S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON |
| | |
| | Paul S. Brentlinger ###-##-#### |
|-----|---------------------------------------------------------------------------------------------------|
| 2 | CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ] |
| | ---- |
| | (b) [ ] |
| | ---- |
|-----|---------------------------------------------------------------------------------------------------|
| 3 | SEC USE ONLY |
| | |
|-----|---------------------------------------------------------------------------------------------------|
| 4 | CITIZENSHIP OR PLACE OF ORGANIZATION |
| | |
| | United States |
|-------------------------------|-------|-----------------------------------------------------------------|
| NUMBER OF | 5 | SOLE VOTING POWER |
| | | |
| SHARES | | 0 |
| |-------|-----------------------------------------------------------------|
| BENEFICIALLY | 6 | SHARED VOTING POWER |
| | | |
| OWNED BY | | 0 |
| |-------|-----------------------------------------------------------------|
| EACH | 7 | SOLE DISPOSITIVE POWER |
| | | |
| REPORTING | | 0 |
| | | |
| PERSON |-------|-----------------------------------------------------------------|
| | 8 | SHARED DISPOSITIVE POWER |
| WITH | | |
| | | 0 |
|-------------------------------|-------|-----------------------------------------------------------------|
| 9 | AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON |
| | |
| | 0 |
|-----|---------------------------------------------------------------------------------------------------|
| 10 | CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN |
| | SHARES* [ ] |
| | ---- |
|-----|---------------------------------------------------------------------------------------------------|
| 11 | PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) |
| | |
| | 0 |
|-----|---------------------------------------------------------------------------------------------------|
| 12 | TYPE OF REPORTING PERSON* |
| | |
| | IN |
- -----------------------------------------------------------------------------------------------------------
</TABLE>
*SEE INSTRUCTIONS BEFORE FILLING OUT
<PAGE> 9
<TABLE>
CUSIP NO. 151324 10 0 13G PAGE 9 OF 15 PAGES
<S> <C>
- -----------------------------------------------------------------------------------------------------------
| 1 | NAME OF REPORTING PERSON |
| | S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON |
| | |
| | Robert C. Bellas, Jr. ###-##-#### |
|-----|---------------------------------------------------------------------------------------------------|
| 2 | CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ] |
| | ---- |
| | (b) [ ] |
| | ---- |
|-----|---------------------------------------------------------------------------------------------------|
| 3 | SEC USE ONLY |
| | |
|-----|---------------------------------------------------------------------------------------------------|
| 4 | CITIZENSHIP OR PLACE OF ORGANIZATION |
| | |
| | United States |
|-------------------------------|-------|-----------------------------------------------------------------|
| NUMBER OF | 5 | SOLE VOTING POWER |
| | | |
| SHARES | | 0 |
| |-------|-----------------------------------------------------------------|
| BENEFICIALLY | 6 | SHARED VOTING POWER |
| | | |
| OWNED BY | | 0 |
| |-------|-----------------------------------------------------------------|
| EACH | 7 | SOLE DISPOSITIVE POWER |
| | | |
| REPORTING | | 0 |
| | | |
| PERSON |-------|-----------------------------------------------------------------|
| | 8 | SHARED DISPOSITIVE POWER |
| WITH | | |
| | | 0 |
|-------------------------------|-------|-----------------------------------------------------------------|
| 9 | AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON |
| | |
| | 0 |
|-----|---------------------------------------------------------------------------------------------------|
| 10 | CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN |
| | SHARES* [ ] |
| | ---- |
|-----|---------------------------------------------------------------------------------------------------|
| 11 | PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) |
| | |
| | 0 |
|-----|---------------------------------------------------------------------------------------------------|
| 12 | TYPE OF REPORTING PERSON* |
| | |
| | IN |
- -----------------------------------------------------------------------------------------------------------
</TABLE>
*SEE INSTRUCTIONS BEFORE FILLING OUT
<PAGE> 10
<TABLE>
CUSIP NO. 151324 10 0 13G PAGE 10 OF 15 PAGES
<S> <C>
- -----------------------------------------------------------------------------------------------------------
| 1 | NAME OF REPORTING PERSON |
| | S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON |
| | |
| | Bellas Family Partnership 34-1501617 |
|-----|---------------------------------------------------------------------------------------------------|
| 2 | CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ] |
| | ---- |
| | (b) [ ] |
| | ---- |
|-----|---------------------------------------------------------------------------------------------------|
| 3 | SEC USE ONLY |
| | |
|-----|---------------------------------------------------------------------------------------------------|
| 4 | CITIZENSHIP OR PLACE OF ORGANIZATION |
| | |
| | Ohio |
|-------------------------------|-------|-----------------------------------------------------------------|
| NUMBER OF | 5 | SOLE VOTING POWER |
| | | |
| SHARES | | 0 |
| |-------|-----------------------------------------------------------------|
| BENEFICIALLY | 6 | SHARED VOTING POWER |
| | | |
| OWNED BY | | 0 |
| |-------|-----------------------------------------------------------------|
| EACH | 7 | SOLE DISPOSITIVE POWER |
| | | |
| REPORTING | | 0 |
| | | |
| PERSON |-------|-----------------------------------------------------------------|
| | 8 | SHARED DISPOSITIVE POWER |
| WITH | | |
| | | 0 |
|-------------------------------|-------|-----------------------------------------------------------------|
| 9 | AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON |
| | |
| | 0 |
|-----|---------------------------------------------------------------------------------------------------|
| 10 | CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN |
| | SHARES* [ ] |
| | ---- |
|-----|---------------------------------------------------------------------------------------------------|
| 11 | PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) |
| | |
| | 0 |
|-----|---------------------------------------------------------------------------------------------------|
| 12 | TYPE OF REPORTING PERSON* |
| | |
| | PN |
- -----------------------------------------------------------------------------------------------------------
</TABLE>
*SEE INSTRUCTIONS BEFORE FILLING OUT
<PAGE> 11
<TABLE>
CUSIP NO. 151324 10 0 13G PAGE 11 OF 15 PAGES
<S> <C>
- -----------------------------------------------------------------------------------------------------------
| 1 | NAME OF REPORTING PERSON |
| | S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON |
| | |
| | Gary J. Morgenthaler ###-##-#### |
|-----|---------------------------------------------------------------------------------------------------|
| 2 | CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ] |
| | ---- |
| | (b) [ ] |
| | ---- |
|-----|---------------------------------------------------------------------------------------------------|
| 3 | SEC USE ONLY |
| | |
|-----|---------------------------------------------------------------------------------------------------|
| 4 | CITIZENSHIP OR PLACE OF ORGANIZATION |
| | |
| | United States |
|-------------------------------|-------|-----------------------------------------------------------------|
| NUMBER OF | 5 | SOLE VOTING POWER |
| | | |
| SHARES | | 0 |
| |-------|-----------------------------------------------------------------|
| BENEFICIALLY | 6 | SHARED VOTING POWER |
| | | |
| OWNED BY | | 0 |
| |-------|-----------------------------------------------------------------|
| EACH | 7 | SOLE DISPOSITIVE POWER |
| | | |
| REPORTING | | 0 |
| | | |
| PERSON |-------|-----------------------------------------------------------------|
| | 8 | SHARED DISPOSITIVE POWER |
| WITH | | |
| | | 0 |
|-------------------------------|-------|-----------------------------------------------------------------|
| 9 | AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON |
| | |
| | 0 |
|-----|---------------------------------------------------------------------------------------------------|
| 10 | CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN |
| | SHARES* [ ] |
| | ---- |
|-----|---------------------------------------------------------------------------------------------------|
| 11 | PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) |
| | |
| | 0 |
|-----|---------------------------------------------------------------------------------------------------|
| 12 | TYPE OF REPORTING PERSON* |
| | |
| | IN |
- -----------------------------------------------------------------------------------------------------------
</TABLE>
*SEE INSTRUCTIONS BEFORE FILLING OUT
<PAGE> 12
Schedule 13G
------------
Item 1(a). NAME OF ISSUER: CENSTOR CORP.
Item 1(b). ADDRESS OF ISSUER'S PRINCIPAL EXECUTIVE OFFICES: 530 Race Street, San
Jose, CA 95126
Item 2(a). NAMES OF PERSONS FILING: Morgenthaler Venture Partners II ("MVP II");
Morgenthaler Management Partners II ("MMP II"), the general
partner of MVP II; David T. Morgenthaler, Robert D. Pavey, Robert
C. Bellas, Jr., Gary J. Morgenthaler, Paul S. Brentlinger,
Morgenthaler Family Partnership, Pavey Family Partnership, and
Bellas Family Partnership (collectively, the "General Partners")
are individual general partners of MMP II, the general partner of
MVP II.
Item 2(b). ADDRESS OF PRINCIPAL BUSINESS OFFICE OR, IF NONE, RESIDENCE:
The address of the principal business office of MVP II, MMP II
and each of the General Partners is:
Morgenthaler Venture Partners II
629 Euclid Avenue
Suite 700
Cleveland, Ohio 44114
Item 2(c). CITIZENSHIP: MVP II is a limited partnership and MMP II is a general
partnership organized under the laws of the State of Ohio. Each
of the individual General Partners is a United States citizen,
and each partnership has been organized under the laws of the
state of Ohio.
Item 2(d). TITLE OF CLASS OF SECURITIES: Common Stock, no par value
Item 2(e). CUSIP NUMBER: 151324 10 0
Item 3. IF THIS STATEMENT IS FILED PURSUANT TO RULES 13d-1(b), OR 13d-2(b),
CHECK WHETHER THE PERSON FILING IS A:
(a) [ ] Broker or Dealer registered under Section 15 of the
Securities Exchange Act of 1934 (the "Act").
(b) [ ] Bank as defined in Section 3(a)(6) of the Act.
(c) [ ] Insurance Company as defined in Section 3(a)(19) of the Act.
(d) [ ] Investment Company registered under Section 8 of the
Investment Company Act of 1940.
(e) [ ] Investment Advisor registered under Section 203 of the
Investment Advisors Act of 1940.
<PAGE> 13
(f) [ ] Employee Benefit Plan, Pension Fund which is subject to the
provisions of the Employee Retirement Income Security Act of
1974 or Endowment Fund; see Rule 13d-1(b(1)(ii)(f) of the
Act.
(g) [ ] Parent Holding Company, in accordance with Rule
13d-1(b)(ii)(G) of the Act.
(h) [ ] Group, in accordance with Rule 13d-1(b)(1)(ii)(H) of the
Act.
Not Applicable.
Item 4. OWNERSHIP.
(a) None
(b) Percent of Class (based on 9,303,344 shares of Common Stock):
None
(c) Number of shares as to which such person has:
(i) sole power to vote or to direct the vote:
None
(ii) shared power to vote or to direct the vote:
None
(iii) sole power to dispose or direct the disposition of:
None
(iv) shared power to dispose or direct the disposition of:
None
Item 5. OWNERSHIP OF FIVE PERCENT OR LESS OF A CLASS.
This statement is being filed to report the fact that as of the date
hereof the reporting person has ceased to be the beneficial owner of
more than five percent of the class of securities.
Item 6. OWNERSHIP OF MORE THAN FIVE PERCENT ON BEHALF OF ANOTHER PERSON.
Not Applicable.
<PAGE> 14
Item 7. IDENTIFICATION AND CLASSIFICATION OF THE SUBSIDIARY WHICH ACQUIRED THE
SECURITY BEING REPORTED ON BY THE PARENT HOLDING COMPANY.
Not Applicable.
Item 8. IDENTIFICATION AND CLASSIFICATION OF MEMBERS OF THE GROUP.
Not Applicable. MVP II, MMP II and each of the General Partners
expressly disclaim membership in a "group" as defined in Rule
13d-1(b)(ii)(H).
Item 9. Notice of Dissolution of Group.
Not Applicable.
Item 10. CERTIFICATION.
Not Applicable. This statement on Schedule 13G is not filed pursuant
to Rule 13d-1(b).
By signing below, I certify that, to the best of my knowledge and belief, the
securities referred to above were not acquired for the purpose of and do not
have the effect of changing or influencing the control of the issuer of such
securities and were not acquired in connection with or as a participant in any
transaction having such purposes or effect.
<PAGE> 15
SIGNATURES
----------
After reasonable inquiry and to the best of its knowledge and belief, I
certify that the information set forth in this statement is true, complete, and
correct.
Date: February 13, 1997
MORGENTHALER VENTURE PARTNERS II
By: Morgenthaler Management Partners II
By: *
-------------------------------
General Partner
MORGENTHALER MANAGEMENT PARTNERS II MORGENTHALER FAMILY PARTNERSHIP
By: * By: *
------------------------------- --------------------------------
General Partner General Partner
* *
------------------------------- --------------------------------
David T. Morgenthaler David T. Morgenthaler
* *
------------------------------- --------------------------------
Robert D. Pavey Lindsay J. Morgenthaler
* *
------------------------------- --------------------------------
Robert C. Bellas, Jr. Gary J. Morgenthaler
* *
------------------------------- --------------------------------
Gary J. Morgenthaler Todd W. Morgenthaler
* *
------------------------------- --------------------------------
Paul S. Brentlinger Gaye E. Morgenthaler
* *
------------------------------- --------------------------------
John D. Lutsi Trustee, Elizabeth J. Morgenthaler
BELLAS FAMILY PARTNERSHIP PAVEY FAMILY PARTNERSHIP
By: * By: *
------------------------------- --------------------------------
General Partner General Partner
* *
------------------------------- --------------------------------
Robert C. Bellas, Jr. Robert D. Pavey
* *
------------------------------- --------------------------------
Terrye L. Bellas Patricia L. Pavey
* *
------------------------------- --------------------------------
Trustee, Terrye L. Bellas Susan D. Pavey
* *
------------------------------- --------------------------------
Trustee, Terrye L. Bellas Deborah L. Pavey
*By: /s/ Theodore A. Laufik
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Theodore A. Laufik
Attorney-in-Fact
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