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Patent Assignment Assignor Details
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Assignor Name : PRATER, KEITH B.
Total Assignments: 5
Assignment: 1
Reel/Frame:004128/0754   Pages: 1
Recorded: 05/19/1983
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
PRATER, KEITH B.
Exec Dt:
02/23/1983
2
THRASH, ROBERT J.
Exec Dt:
02/25/1983
Assignee
1
STANDARD OIL COMPANY
A CORP. OF IN
CHICAGO, ILLINOIS
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4520083
NONE
06471429
Correspondence name and address
RONALD C. PETRI
STANDARD OIL CO. (INDIANA)
200 EAST RANDOLPH DR.
CHICAGO, IL 60601
Assignment: 2
Reel/Frame:004306/0566   Pages: 1
Recorded: 10/01/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
PRATER, KEITH B.
Exec Dt:
05/31/1984
Assignee
1
STANDARD OIL COMPANY, AN IN CORP.
CHICAGO,, ILLINOIS
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4780380
NONE
06618243
Correspondence name and address
RICHARD A. KRETCHMER
STANDARD OIL COMPANY(INDIANA)
200 EAST RANDOLPH DRIVE
CHICAGO, IL 60601
Assignment: 3
Reel/Frame:005839/0690   Pages: 4
Recorded: 09/13/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
WILKINSON, DAVID P.
Exec Dt:
08/30/1991
2
VOSS, HENRY H.
Exec Dt:
08/30/1991
3
PRATER, KEITH B.
Exec Dt:
08/30/1991
Assignee
1
BALLARD POWER SYSTEMS INC. A CANADIAN A CORP.
980 WEST 1ST ST., 107
NORTH VANCOUVER, B.C., CANADA V7P 3N4
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5252410
NONE
07759463
Correspondence name and address
NEUMAN, WILLIAMS, ANDERSON & OLSON
77 WEST WASHINGTON ST.
CHICAGO, IL 60602
Assignment: 4
Reel/Frame:006498/0613   Pages: 6
Recorded: 04/19/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
WILKINSON, DAVID P.
Exec Dt:
03/02/1993
2
VOSS, HENRY H.
Exec Dt:
03/02/1993
3
WATKINS, DAVID S.
Exec Dt:
03/02/1993
4
PRATER, KEITH B.
Exec Dt:
03/02/1993
Assignee
1
BALLARD POWER SYSTEMS, INC.
UNIT 107
980 W. 1ST STREET
NORTH VANCOUVER, B.C., CANADA V7P3N
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5366818
NONE
07970614
Correspondence name and address
MCANDREWS, HELD & MALLOY, LTD.
ROBERT W. FIESELER
NORTHWESTERN ATRIUM CENTER
500 W. MADISON STREET, 34TH FLOOR
CHICAGO, ILLINOIS 60661
Assignment: 5
Reel/Frame:007948/0257   Pages: 2
Recorded: 04/05/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WILKINSON, DAVID P.
Exec Dt:
04/01/1996
2
VOSS, HENRY H.
Exec Dt:
04/01/1996
3
PRATER, KEITH B.
Exec Dt:
04/01/1996
4
HARDS, GRAHAM A.
Exec Dt:
03/28/1996
5
RALPH, THOMAS R.
Exec Dt:
03/28/1996
6
THOMPSETT, DAVID
Exec Dt:
03/28/1996
Assignees
1
JOHNSON MATTHEY PUBLIC LIMITED COMPANY
78 HATTON GARDEN
LONDON EC1N 8JP, UNITED KINGDOM
2
BALLARD POWER SYSTEMS INC.
107-980 WEST 1ST STREET
NORTH VANCOUVER, BRITISH COLUMBIA, CANADA V7P 3
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5795669
NONE
08628161
Correspondence name and address
CUSHMAN DARBY & CUSHMAN, L.L.P.
PAUL N. KOKULIS
1100 NEW YORK AVE., NW
NINTH FLOOR, EAST TOWER
WASHINGTON, DC 20005-3918

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