<PAGE>
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
Under the Securities Exchange Act of 1934
Exigent International, Inc.
(Name of Issuer)
Common Stock Purchase Warrants
(Title and Class of Securities)
302056 11 4
(CUSIP Number)
1) Names of Reporting Persons I.R.S. Identification Nos. of Above Persons
(entities only)
Joseph Walker & Sons, Inc.
----------------------------------------------------------------------------
- --------------------------------------------------------------------------------
2) Check the Appropriate Box if a Member of a Group. (See Instructions)
(a)
------------------------------------------------------------------------
(b)
------------------------------------------------------------------------
- --------------------------------------------------------------------------------
3) SEC Use Only
----------------------------------------------------------------
- --------------------------------------------------------------------------------
4) Citizenship or Place of Organization Delaware
---------------------------------------
- --------------------------------------------------------------------------------
Number of (5) Sole Voting Power 58,356
Shares ---------------------------------
Beneficially -------------------------------------------------------
Owned by Each (6) Shared Voting Power 0
Reporting Person -------------------------------
With -------------------------------------------------------
(7) Sole Dispositive Power 58,356
----------------------------
-------------------------------------------------------
(8) Shared Dispositive Power 0
--------------------------
-------------------------------------------------------
- --------------------------------------------------------------------------------
9) Aggregate Amount Beneficially Owned by Each Reporting Person 58,356
---------------
- --------------------------------------------------------------------------------
10) Check if the Aggregate Amount in Row (9) Excludes Certain Shares
(See Instructions)
---------------------------------------------------------
- --------------------------------------------------------------------------------
11) Percent of Class Represented by Amount in Row 9 5.5%
----------------------------
- --------------------------------------------------------------------------------
12) Type of Reporting Person (See Instructions) CO
--------------------------------
- --------------------------------------------------------------------------------
<PAGE>
Item 1(a)
Name of Issuer: Exigent International, Inc.
Item 1(b)
Address of Issuer's Principal 1225 Evans Road
Executive Offices: Melbourne, Florida 32904-2314
Item 2(a)
Name of Person Filing: Joseph Walker & Sons, Inc.
Item 2(b)
Address of Principal Business 88 Walker Creek Road
Office or, if none, Residence: Walker, WV 26180-9948
Item 2(c)
Citizenship: Delaware Corporation
Item 2(d)
Title of Class of Securities: Common Stock
Purchase Warrants
Item 2(e)
CUSIP Number: 302056 11 4
Item 3
Not Applicable
Item 4
Ownership
(a) Amount Beneficially Owned: 58,356
(b) Percent of Class: 5.5%
(c) Number of shares as to which such person has:
(i) sole power to vote or direct the vote 58,356
(ii) shared power to vote or to direct the vote 0
(iii) sole power to dispose or to direct disposition of 58,356
(iv) shared power to dispose or to direct disposition of 0
2
<PAGE>
Item 5
Ownership of Five Percent or Less of a Class
Not Applicable
Item 6
Ownership of More than Five Percent on Behalf of Another Person
Not Applicable
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
Item 9
Notice of Dissolution of a Group
Not Applicable
Item 10
Certificate
Not Applicable
Signature
After reasonable inquiry and to the best of my knowledge and belief, I
certify that the information set forth in this statement is true, complete and
correct.
February 8, 1998
- -----------------------------------------------------
Date
/s/ Joseph Walker
- -----------------------------------------------------
Signature
Joseph Walker, Chairman of Joseph Walker & Sons, Inc.
- -----------------------------------------------------
Name/Title
3
