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Patent Assignment Assignor Details
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Assignor Name : DUERKSEN, JOHN H.
Total Assignments: 10
Assignment: 1
Reel/Frame:004136/0674   Pages: 1
Recorded: 03/18/1983
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DUERKSEN, JOHN H.
Exec Dt:
03/14/1983
Assignee
1
CHEVRON RESEARCH COMPANY, SAN FRANCISCO, CA A CORP. OF DE
CALIFORNIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4488598
NONE
06476642
Correspondence name and address
J. A. BUCHANAN, JR.
P. O. BOX 7643
SAN FRANCISCO, CA 94120
Assignment: 2
Reel/Frame:004124/0352   Pages: 3
Recorded: 04/28/1983
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
DUERKSEN, JOHN H.
Exec Dt:
04/26/1983
2
WALL, ROBERT G.
Exec Dt:
04/26/1983
3
KNIGHT, JACK D.
Exec Dt:
04/26/1983
Assignee
1
CHERVON RESEARCH COMPANY
A CORP. OF DE
SAN FRANCISCO, CALIFORNIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4556107
NONE
06489649
Correspondence name and address
J. A. BUCHANAN, JR.
P.O. BOX 7643
SAN FRANCISCO, CA 94120
Assignment: 3
Reel/Frame:004146/0469   Pages: 3
Recorded: 06/24/1983
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
DUERKSEN, JOHN H.
Exec Dt:
06/23/1983
2
WALL, ROBERT G.
Exec Dt:
06/23/1983
3
KNIGHT, JACK D.
Exec Dt:
06/23/1983
Assignee
1
CHEVRON RESEARCH COMPANY
A DE CORP.
SAN FRANCISCO, CALIFORNIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4576232
NONE
06507835
Correspondence name and address
J. A. BUCHANAN, JR.
P. O. BOX 7643
SAN FRANCISCO, CA 94120
Assignment: 4
Reel/Frame:004260/0832   Pages: 3
Recorded: 05/16/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
DUERKSEN, JOHN H.
Exec Dt:
05/11/1984
2
WALL, ROBERT G.
Exec Dt:
05/04/1984
3
KNIGHT, JACK D.
Exec Dt:
05/14/1984
Assignee
1
CHEVRON RESEARCH COMPANY SAN FRANCISCO, CA A CORP. OF DE
CALIFORNIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4572294
NONE
06610556
Correspondence name and address
J. A. BUCHANAN, JR.
P. O. BOX 7643
SAN FRANCISCO, CA 94120
Assignment: 5
Reel/Frame:004300/0054   Pages: 2
Recorded: 08/10/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
DUERKSEN, JOHN H.
Exec Dt:
08/10/1984
2
WALL, ROBERT G.
Exec Dt:
08/08/1984
3
KNIGHT, JACK D.
Exec Dt:
08/08/1984
Assignee
1
CHEVRON RESEARCH COMPANY A CORP OF DE
SAN FRANCISCO, CALIFORNIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4607700
NONE
06639973
Correspondence name and address
J. A. BUCHANAN, JR.
P. O. BOX 7643
SAN FRANCISCO, CA 94120
Assignment: 6
Reel/Frame:005111/0798   Pages: 1
Recorded: 08/16/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DUERKSEN, JOHN H.
Exec Dt:
08/15/1989
Assignee
1
CHEVRON RESEARCH COMPANY, A CORP. OF DE.
SAN FRANCISCO, CALIFORNIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5014787
NONE
07394687
Correspondence name and address
CHEVRON CORP.
LAW DEPT., PATENT DIVISION
P. O. BOX 7141
SAN FRANCISCO, CA 94120-7141
Assignment: 7
Reel/Frame:005370/0608   Pages: 4
Recorded: 07/16/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
ANDERSON, DONALD J.
Exec Dt:
05/15/1990
2
DUERKSEN, JOHN H.
Exec Dt:
05/15/1990
Assignee
1
CHEVRON RESEARCH AND TECHNOLOGY COMPANY, A CORP OF DE
SAN FRANCISCO,, CALIFORNIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5024275
NONE
07447733
Correspondence name and address
CHEVRON CORP.
LAW DEPARTMENT - PATENT DIVISION
P. O. BOX 7141
SAN FRANCISCO, CA 94120-7141
Assignment: 8
Reel/Frame:005468/0468   Pages: 3
Recorded: 10/01/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DUERKSEN, JOHN H.
Exec Dt:
08/27/1990
Assignee
1
CHEVRON RESEARCH AND TECHNOLOGY COMPANY
SAN FRANCISCO, CALIFORNIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5054551
NONE
07562779
Correspondence name and address
EDWARD J. KEELING
CHEVRON CORPORATION
LAW DEPARTMENT - PATENT DIVISION
P.O. BOX 7141
SAN FRANCISCO, CA 94120-7141
Assignment: 9
Reel/Frame:005615/0440   Pages: 3
Recorded: 02/19/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
DUERKSEN, JOHN H.
Exec Dt:
01/23/1991
2
ANDERSON, DONALD J.
Exec Dt:
01/23/1991
Assignee
1
CHEVRON RESEARCH AND TECHNOLOGY COMPANY, SAN FRANCISCO, CA A DE CORP.
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5131471
NONE
07633582
Correspondence name and address
CHEVRON CORPORATION
LAW DEPT. - PATENT UNIT
P.O. BOX 7141
SAN FRANCISCO, CA 94120-7141
Assignment: 10
Reel/Frame:005851/0745   Pages: 3
Recorded: 09/24/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DUERKSEN, JOHN H.
Exec Dt:
09/16/1991
Assignee
1
CHEVRON RESEARCH AND TECHNOLOGY COMPANY
A CORPORATION OF DE
SAN FRANCISCO, CALIFORNIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5145003
NONE
07733587
Correspondence name and address
CHEVRON CORP.
LAW DEPT. - PATENT DIV.
P.O. BOX 7141
SAN FRANCISCO, CA 94120-7141
ATTN: DAVID J. POWER

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