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Patent Assignment Assignor Details
NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Assignor Name : TREPKA, WILLIAM J.
Total Assignments: 14
Assignment: 1
Reel/Frame:003949/0026   Pages: 1
Recorded: 02/12/1982
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
Exec Dt:
01/11/1982
Assignee
1
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06314296
Correspondence name and address
FRENCH, HUGHES & DOESCHER
1825 K ST., N. W., STE. 1107
WASHINGTON, DC 20006
Assignment: 2
Reel/Frame:003960/0923   Pages: 1
Recorded: 03/10/1982
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
Exec Dt:
02/25/1982
Assignee
1
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06331421
Correspondence name and address
FRENCH, HUGHES & DOESCHER
STE. 1107, 1825 K STREET, N. W.
WASHINGTON, DC 20006
Assignment: 3
Reel/Frame:003973/0858   Pages: 1
Recorded: 04/21/1982
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
Exec Dt:
03/18/1982
Assignee
1
DELAWARE
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
NONE
06314297
 
NONE
06314297
Correspondence name and address
FRENCH, HUGHES & DOESCHER
1825 K ST., N. W., STE. 1107
WASHINGTON, DC 20006
Assignment: 4
Reel/Frame:003990/0860   Pages: 1
Recorded: 05/17/1982
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
04/22/1982
2
Exec Dt:
04/22/1982
Assignee
1
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06331413
Correspondence name and address
FRENCH, HUGHES & DOESCHER
STE. 1107, 1825 K ST., N. W.
WASHINGTON, DC 20006
Assignment: 5
Reel/Frame:004029/0758   Pages: 1
Recorded: 08/30/1982
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
07/23/1982
2
Exec Dt:
08/12/1982
Assignee
1
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06395553
Correspondence name and address
FRENCH, HUGHES & DOESCHER
STE. 1107, 1825 K STREET, N. W.
WASHINGTON, DC 20006
Assignment: 6
Reel/Frame:004111/0045   Pages: 1
Recorded: 03/07/1983
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
Exec Dt:
02/28/1983
Assignee
1
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06472687
Correspondence name and address
FRENCH, HUGHES & DOESCHER
STE. 1107, 1825 K STREET, N. W.
WASHINGTON, DC 20006
Assignment: 7
Reel/Frame:005560/0947   Pages: 2
Recorded: 12/20/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
12/20/1990
2
Exec Dt:
12/20/1990
Assignee
1
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07632239
Correspondence name and address
RICHMOND, PHILLIPS, HITCHCOCK & UMPHLETT
P. O. BOX 2443
BARTLESVILLE, OK 74005
Assignment: 8
Reel/Frame:006019/0304   Pages: 3
Recorded: 02/20/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
02/05/1991
2
Exec Dt:
02/05/1991
3
Exec Dt:
03/05/1991
Assignee
1
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07651158
Correspondence name and address
MORRISON BENNETT
RICHMOND, PHILLIPS, HITCHCOCK & UMPHLETT
P.O. BOX 2443
BARTLESVILLE, OK. 74005
Assignment: 9
Reel/Frame:005724/0576   Pages: 2
Recorded: 05/08/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
05/07/1991
2
Exec Dt:
05/07/1991
3
Exec Dt:
05/07/1991
Assignee
1
A CORPORATION OF DELAWARE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07697130
Correspondence name and address
C/O RICHMOND, PHILLIPS
HITCHCOCK & UMPHLETT
P.O. BOX 2443
BARTLESVILLE, OK 74005
Assignment: 10
Reel/Frame:006129/0521   Pages: 2
Recorded: 05/18/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
05/18/1992
2
Exec Dt:
05/15/1992
3
Exec Dt:
05/15/1992
Assignee
1
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07885715
Correspondence name and address
RICHMOND, PHILLIPS,
HITCHCOCK & CARVER
MORRISON BENNETT
P.O. BOX 2443
BARTLESVILLE, OK 74005
Assignment: 11
Reel/Frame:006805/0817   Pages: 2
Recorded: 12/02/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
11/30/1993
2
Exec Dt:
11/29/1993
3
Exec Dt:
11/30/1993
4
Exec Dt:
11/30/1993
Assignee
1
A CORPORATION OF DELAWARE
BARTLESVILLE, OKLAHOMA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
08162735
Correspondence name and address
MORRISON BENNETT
RICHMOND, PHILLIPS, HITCHCOCK & CARVER
P.O. BOX 2443
BARTLESVILLE, OK 74005
Assignment: 12
Reel/Frame:006802/0794   Pages: 2
Recorded: 12/06/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
12/06/1993
2
Exec Dt:
12/03/1993
3
Exec Dt:
12/03/1993
Assignee
1
BARTLESVILLE, OKLAHOMA
OKLAHOMA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
08163966
Correspondence name and address
RICHMOND, PHILLIPS, HITCHOCK & CARVER
MARIANNE H. MICHEL
P.O. BOX 2443
BARTLESVILLE, OK 74005
Assignment: 13
Reel/Frame:006870/0033   Pages: 3
Recorded: 02/04/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
01/14/1994
2
Exec Dt:
01/14/1994
3
Exec Dt:
01/14/1994
4
Exec Dt:
01/14/1994
5
Exec Dt:
01/14/1994
6
Exec Dt:
01/31/1994
7
Exec Dt:
01/14/1994
8
Exec Dt:
01/14/1994
Assignee
1
BARTLESVILLE, OKLAHOMA 74004
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
08192000
Correspondence name and address
MARIANNE H. MICHEL
RICHMOND, PHILLIPS, HITCHCOCK & CARVER
P.O. BOX 2443
BARTLESVILLE, OK 74005
Assignment: 14
Reel/Frame:007151/0364   Pages: 3
Recorded: 09/19/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
09/13/1994
2
Exec Dt:
09/07/1994
3
Exec Dt:
09/07/1994
4
Exec Dt:
09/07/1994
5
Exec Dt:
09/15/1994
6
Exec Dt:
09/07/1994
7
Exec Dt:
09/07/1994
Assignee
1
C/O RICHMOND, PHILLIPS, HITCHCOCK & FISH
P.O. BOX 2443
BARTLESVILLE, OKLAHOMA 74005
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
08308240
Correspondence name and address
PHILLIPS PETROLEUM COMPANY
C/O RICHMOND, PHILLIPS, HITCHCOCK & FISH
P.O. BOX 2443
BARTLESVILLE, OK 74005
ATTN: MARIANNE H. MICHEL

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