UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
Under the Securities Exchange Act of 1934
(Amendment No. 1 )*
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Riviera Tool Company
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(Name of Issuer)
Common Stock
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(Title of Class of Securities)
769648106
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(CUSIP Number)
December 31, 2003
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(Date of Event Which Requires Filing of this Statement)
Check the appropriate box to designate the rule pursuant to which this Schedule
is filed:
[X] Rule 13d-1(b)
[_] Rule 13d-1(c)
[_] Rule 13d-1(d)
*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 10 pages
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CUSIP No. 769648106 13G Page 2 of 10 Pages
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1. NAME OF REPORTING PERSON
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
Oberweis Asset Management, Inc.
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2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
(a) [_]
Not Applicable (b) [_]
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3. SEC USE ONLY
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4. CITIZENSHIP OR PLACE OF ORGANIZATION
Illinois
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NUMBER OF 5. SOLE VOTING POWER
SHARES None
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BENEFICIALLY 6. SHARED VOTING POWER
OWNED BY None
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EACH 7. SOLE DISPOSITIVE POWER
REPORTING None
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PERSON 8. SHARED DISPOSITIVE POWER
WITH None
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9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
None
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10. CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
(SEE INSTRUCTIONS)
Not Applicable [_]
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11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
0%
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12. TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
IA
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CUSIP No. 769648106 13G Page 3 of 10 Pages
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1. NAME OF REPORTING PERSON
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
James D. Oberweis
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2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
(a) [_]
Not Applicable (b) [_]
--------------------------------------------------------------------------------
3. SEC USE ONLY
--------------------------------------------------------------------------------
4. CITIZENSHIP OR PLACE OF ORGANIZATION
U.S.A.
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NUMBER OF 5. SOLE VOTING POWER
SHARES None
------------------------------------------------------------
BENEFICIALLY 6. SHARED VOTING POWER
OWNED BY None
------------------------------------------------------------
EACH 7. SOLE DISPOSITIVE POWER
REPORTING None
------------------------------------------------------------
PERSON 8. SHARED DISPOSITIVE POWER
WITH None
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9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
None
--------------------------------------------------------------------------------
10. CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
(SEE INSTRUCTIONS)
Not Applicable [_]
--------------------------------------------------------------------------------
11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
0%
--------------------------------------------------------------------------------
12. TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
IN
--------------------------------------------------------------------------------
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CUSIP NO. 769648106 13G Page 4 of 10 Pages
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---------------------- ----------------------
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1. NAME OF REPORTING PERSON
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
James W. Oberweis
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2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
(a) [_]
Not Applicable
(b) [_]
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3. SEC USE ONLY
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4. CITIZENSHIP OR PLACE OF ORGANIZATION
U.S.A.
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5. SOLE VOTING POWER
NUMBER OF
None
SHARES -------------------------------------------------------------
BENEFICIALLY 6. SHARED VOTING POWER
OWNED BY
None
EACH -------------------------------------------------------------
REPORTING 7. SOLE DISPOSITIVE POWER
PERSON
None
WITH -------------------------------------------------------------
8. SHARED DISPOSITIVE POWER
None
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9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
None
--------------------------------------------------------------------------------
10. CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
(SEE INSTRUCTIONS)
[_]
Not Applicable
--------------------------------------------------------------------------------
11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
0%
--------------------------------------------------------------------------------
12. TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
IN
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Item 1(a) Name of Issuer:
Riviera Tool Company
Item 1(b) Address of Issuer's Principal Executive Offices:
5460 Executive Parkway S.E.
Grand Rapids, Michigan 49512
Item 2(a) Name of Person Filing:
Oberweis Asset Management, Inc. ("OAM")
James D. Oberweis
James W. Oberweis
Item 2(b) Address of Principal Business Office or, if none, Residence:
OAM, James D. Oberweis and James W. Oberweis are located at:
951 Ice Cream Drive, Suite 200
North Aurora, IL 60542
Item 2(c) Citizenship:
OAM is an Illinois Corporation.
James D. Oberweis and James W. Oberweis are U.S. citizens.
Item 2(d) Title of Class of Securities:
Common Stock
Item 2(e) CUSIP Number:
769648106
Item 3 Type of Person:
(e) OAM is an investment adviser in accordance with
(S)240.13d-1(b)(1)(ii)(E). James D. Oberweis and James W.
Oberweis are the principal stockholders of OAM.
Item 4 Ownership (at December 31, 2003):
(a) Amount owned "beneficially" within the meaning of rule
13d-3:
none
(b) Percent of class:
0%
Page 5 of 10 pages
(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 to direct the
disposition of: none
(iv) shared power to dispose or to direct
disposition of: none
Item 5 Ownership of Five Percent or Less of a Class:
If 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, check the following: [X]
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 Group:
Not Applicable
Page 6 of 10 pages
Item 10 Certification:
By signing below I certify that, to the best of my knowledge
and belief, the securities referred to above were acquired and are
held in the ordinary course of business and were not acquired and
are not held for the purpose of or with the effect of changing or
influencing the control of the issuer of the securities and were not
acquired and are not held in connection with or as a participant in
any transaction having that purpose or effect.
Page 7 of 10 Pages
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.
Date: February 26, 2004
The undersigned corporation, on the date above
written, agrees and consents to the joint filing on
its behalf of this Schedule 13G in connection with
its beneficial ownership of the security reported
herein.
OBERWEIS ASSET MANAGEMENT, INC.
By: /s/ Patrick B. Joyce
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Patrick B. Joyce
Executive Vice President
The undersigned individual, on the date above
written, agrees and consents to the joint filing on
his behalf of this Schedule 13G in connection with
his beneficial ownership of the security reported
herein.
By: /s/ James D. Oberweis
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James D. Oberweis
The undersigned individual, on the date above
written, agrees and consents to the joint filing on
his behalf of this Schedule 13G in connection with
his beneficial ownership of the security reported
herein.
By: /s/ James W. Oberweis
--------------------------
James W. Oberweis
Page 8 of 10 pages
Exhibit Index
Exhibit 1 Joint Filing Agreement dated as of February 26, 2004 between
Oberweis Asset Management, Inc., James D. Oberweis and James W.
Oberweis
Page 9 of 10 Pages