Patent Assignment
Reel/Frame 004846/0627
License See Record for Details.
Recorded: 1988-03-28
Pages: 2
Assignor
TRAVIS BANK & TRUST
Executed: 1987-12-17
Covered Property
(1)
Gate Valve Having a Secondary Seal
Patent:
4,377,273 →
Application:
06/235,120 →
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
License
Jul 29, 1983
From: BESON, JOHN
To: FORCE TOOL COMPANY 6311 ANTOINE, HOUSTON, TX
Reel/Frame 004152/0886 →
Assignment of Assignors Interest.
Mar 23, 1988
From: BESON, JOHN
To: FOSTER OILFIELD EQUIPMENT CO.
Reel/Frame 004849/0431 →
Change of Name
Sep 26, 1994
From: FOSTER OILFIELD EQUIPMENT CO.
To: FOSTER VALVE CORPORATION
Reel/Frame 007150/0496 →
Assignment of Assignor's Interest
Aug 9, 1995
From: FOSTER VALVE CORPORATION
To: INGRAM CACTUS CO.
Reel/Frame 007570/0479 →
Assignment of Assignor's Interest
Aug 21, 1996
From: INGRAM CACTUS COMPANY
To: COOPER CAMERON CORPORATION
Reel/Frame 008113/0832 →