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Patent Assignment Assignor Details
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Assignor Name : DOVAN, HOAI T.
Total Assignments: 16
Assignment: 1
Reel/Frame:004160/0285   Pages: 1
Recorded: 08/17/1983
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
SANDIFORD, BURTON B.
Exec Dt:
12/16/1981
2
DOVAN, HOAI T.
Exec Dt:
12/16/1981
3
HUTCHINS, RICHARD D.
Exec Dt:
12/16/1981
Assignee
1
UNION OIL COMPANY OF CALIFORNIA
A CORP. OF CA
LOS ANGELES, CALIFORNIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4413680
NONE
06332940
Correspondence name and address
GERALD L. FLOYD
PATENT DIVISION
UNION OIL COMPANY OF CALIFORNIA
P. O. BOX 76
BREA, CA 92621
Assignment: 2
Reel/Frame:004406/0946   Pages: 1
Recorded: 05/30/1985
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
DOVAN, HOAI T.
Exec Dt:
12/08/1983
2
HUTCHINS, RICHARD D.
Exec Dt:
12/08/1983
Assignee
1
UNION OIL COMPANY OF CALIFORNIA
A CORP OF CA
LOS ANGELES, CALIFORNIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4534412
NONE
06559920
Correspondence name and address
GREGORY F. WIRZBICKI
PATENT DEPT
UNION OIL CO. OF CALIFORNIA
P. O. BOX 76
BREA, CA 92621
Assignment: 3
Reel/Frame:004726/0335   Pages: 1
Recorded: 06/24/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
HUTCHINS, RICHARD D.
Exec Dt:
08/30/1985
2
DOVAN, HOAI T.
Exec Dt:
08/30/1985
Assignee
1
UNION OIL COMPANY OF CALIFORNIA, A CORP OF CA.
LOS ANGELES, CALIFORNIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4694906
NONE
06771283
Correspondence name and address
JUNE M. BOSTICH
PATENT DEPT.
UNION OIL COMPANY OF CALIFORNIA
P.O. BOX 76
BREA, CA 92621
Assignment: 4
Reel/Frame:004919/0148   Pages: 1
Recorded: 07/22/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
DOVAN, HOAI T.
Exec Dt:
07/18/1988
2
HUTCHINS, RICHARD D.
Exec Dt:
07/18/1988
Assignee
1
UNION OIL COMPANY OF CALIFORNIA, DBA UNOCAL, LOS ANGELES, CALIFORNIA, A CORP. OF CA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4783492
NONE
06726805
Correspondence name and address
HOWARD L. LAMBERT
UNION OIL CO. OF CALIFORNIA
P. O. BOX 76
BREA, CA 92621
Assignment: 5
Reel/Frame:005551/0229   Pages: 2
Recorded: 12/21/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
HUTCHINS, RICHARD D.
Exec Dt:
12/21/1990
2
SANDIFORD, BURTON B.
Exec Dt:
12/21/1990
3
DOVAN, HOAI T.
Exec Dt:
12/21/1990
Assignee
1
UNION OIL COMPANY OF CALIFORNIA, DBA UNOCAL, A CORP. OF CA
LOS ANGELES, CALIFORNIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5145012
NONE
07631863
Correspondence name and address
SHLOMO R. FRIEMAN
PATENT DEPARTMENT
UNION OIL COMPANY OF CALIFORNIA
P.O. BOX 76
BREA, CA 92622
Assignment: 6
Reel/Frame:005619/0995   Pages: 2
Recorded: 01/31/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DOVAN, HOAI T.
Exec Dt:
01/31/1991
Assignee
1
UNION OIL COMPANY OF CALIFORNIA DBA UNOCAL, LOS ANGELES, CALIFORNIA A CORP. OF CALIFORNIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5213446
NONE
07649765
Correspondence name and address
YALE S. FINKLE
UNION OIL COMPANY OF CALIFORNIA
POST OFFICE BOX 7600
BREA, CALIFORNIA 92622-7600
Assignment: 7
Reel/Frame:005654/0579   Pages: 2
Recorded: 03/27/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
HUTCHINS, RICHARD D.
Exec Dt:
03/27/1991
2
DOVAN, HOAI T.
Exec Dt:
03/27/1991
Assignee
1
UNION OIL COMPANY OF CALIFORNIA (DBA UNOCAL), A CORP. OF CA
LOS ANGELES, CALIFORNIA 90017
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5125456
NONE
07676261
Correspondence name and address
UNION OIL COMPANY OF CALIFORNIA
P.O. BOX 7600
BREA, CA 92622-7600
ATTN: SHLOMO R. FRIEMAN
Assignment: 8
Reel/Frame:005718/0987   Pages: 2
Recorded: 05/07/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
DOVAN, HOAI T.
Exec Dt:
05/07/1991
2
HUTCHINS, RICHARD D.
Exec Dt:
05/07/1991
Assignee
1
UNION OIL COMPANY OF CALIFORNIA, DBA UNOCAL
A CORPATION OF CA
LOS ANGELES, CALIFORNIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5111886
NONE
07696625
Correspondence name and address
SHLOMO R. FRIEMAN
PATENT DEPARTMENT
UNION OIL COMPANY OF CALIFORNIA
P.O. BOX 7600
BREA, CA 92622-7600
Assignment: 9
Reel/Frame:005731/0905   Pages: 2
Recorded: 05/31/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
HUTCHINS, RICHARD D.
Exec Dt:
05/31/1991
2
DOVAN, HOAI T.
Exec Dt:
05/31/1991
Assignee
1
UNION OIL COMPANY OF CALIFONRNIA, DBA A CORP. OF CA
LOS ANGELES, CALIFORNIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5139087
NONE
07708164
Correspondence name and address
SHLOMO R. FRIEMAN
PATENT DEPARTMENT
UNION OIL COMPANY OF CALIFORNIA
POST OFFICE BOX 7600
BREA, CA 92622-7600
Assignment: 10
Reel/Frame:005761/0299   Pages: 2
Recorded: 06/27/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
HUTCHINS, RICHARD D.
Exec Dt:
06/27/1991
2
DOVAN, HOAI T.
Exec Dt:
06/27/1991
Assignee
1
UNION OIL COMPANY OF CALIFORNIA, DBA UNOCAL, A CORPORATION OF CA
LOS ANGELES, CALIFORNIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5161615
NONE
07724545
Correspondence name and address
SHLOMO R. FRIEMAN
PATENT DEPT.
UNION OIL COMPANY OF CALIFORNIA
P. O. BOX 7600
BREA, CA 92622-7600
Assignment: 11
Reel/Frame:006039/0327   Pages: 2
Recorded: 02/28/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
HUTCHINS, RICHARD D.
Exec Dt:
02/28/1992
2
SANDIFORD, BURTON B.
Exec Dt:
02/28/1992
3
DOVAN, HOAI T.
Exec Dt:
02/28/1992
Assignee
1
UNION OIL COMPANY OF CALIFORNIA, DBA UNOCAL, A CORP. OF CA
LOS ANGELES, CALIFORNIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5203834
NONE
07843954
Correspondence name and address
SHLOMO R. FRIEMAN
UNOCAL
POST OFFICE BOX 7600
BREA, CA 92622-7600
Assignment: 12
Reel/Frame:006280/0310   Pages: 2
Recorded: 10/13/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
SANDIFORD, BURTON B.
Exec Dt:
10/08/1992
2
DOVAN, HOAI T.
Exec Dt:
10/08/1992
3
HUTCHINS, RICHARD D.
Exec Dt:
10/08/1992
Assignee
1
UNION OIL COMPANY OF CAILFORNIA
1201 WEST FIFTH STREET
PATENT DEPARTMENT
LOS ANGELES, CALIFORNIA 90017
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5246073
NONE
07940301
Correspondence name and address
SHLOMO R. FRIEMAN
UNION OIL COMPANY OF CALIFORNIA
POST OFFICE BOX 7600
BRAE, CA 92622-7600
Assignment: 13
Reel/Frame:006422/0935   Pages: 2
Recorded: 01/28/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
HUTCHINS, RICHARD D.
Exec Dt:
01/27/1993
2
DOVAN, HOAI T.
Exec Dt:
01/27/1993
Assignee
1
UNION OIL COMPANY OF CALIFORNIA
PATENT DEPARTMENT
1201 WEST FIFTH STREET
LOS ANGELES, CALIFORNIA 90017
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5418217
NONE
08010554
Correspondence name and address
SHLOMO R. FRIEMAN
PATENT DEPARTMENT
UNION OIL COMPANY OF CALIFORNIA
P.O. BOX 7600
BREA, CA 92622-7600
Assignment: 14
Reel/Frame:006630/0374   Pages: 2
Recorded: 06/25/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SANDIFORD, BURTON B.
Exec Dt:
06/25/1993
2
DOVAN, HOAI T.
Exec Dt:
06/25/1993
3
HUTCHINS, RICHARD D.
Exec Dt:
06/25/1993
Assignee
1
UNION OIL COMPANY OF CALIFORNIA
PATENT DEPARTMENT
1201 WEST FIFTH STREET LOS ANGELES, CA 90017
CALIFORNIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5335733
NONE
08083712
Correspondence name and address
SHLOMO R. FRIEMAN
PATENT DEPARTMENT
UNION OIL COMPANY OF CALIFORNIA
P.O. BOX 7600
BREA, CA 92622-7600
Assignment: 15
Reel/Frame:007246/0659   Pages: 2
Recorded: 11/30/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HUTCHINS, RICHARD D.
Exec Dt:
11/30/1994
2
DOVAN, HOAI T.
Exec Dt:
11/30/1994
3
SANDIFORD, BURTON B.
Exec Dt:
11/30/1994
Assignee
1
UNION OIL COMPANY OF CALIFORNIA
1201 WEST 5TH STREET
LOS ANGELES, CALIFORNIA 90017
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5957203
NONE
08346679
Correspondence name and address
SHLOMO R. FRIEMAN
FRED L. HARTLEY RESEARCH CENTER
PATENT DEPARTMENT
(376 S. VALENCIA AVENUE), P.O. BOX 7600
BREA, CA 92622-7600
Assignment: 16
Reel/Frame:007290/0165   Pages: 2
Recorded: 12/21/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DOVAN, HOAI T.
Exec Dt:
12/21/1994
2
SANDIFORD, BURTON B.
Exec Dt:
12/21/1994
3
HUTCHINS, RICHARD D.
Exec Dt:
12/21/1994
Assignee
1
UNION OIL COMPANY OF CALIFORNIA
1201 WEST 5TH STREET
LOS ANGELES, CALIFORNIA 90017
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5617920
NONE
08361431
Correspondence name and address
SHLOMO R. FRIEMAN
FRED L. HARTLEY RESEARCH CENTER
(376 S. VALENCIA AVENUE)
P.O. BOX 7600
BREA, CA 92622-7600

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