Patent Assignment
Reel/Frame 004837/0644
Assignment of Assignors Interest.
Recorded: 1988-03-21
Pages: 2
Assignor
BESON TECHNOLOGY, INC., A CORP. OF TX
Executed: 1987-12-11
Assignee
FOSTER OILFIELD EQUIPMENT CO., A DE CORP.
6445 BURLINGTON NORTH, HOUSTON, TEXAS, 77240-0787
Covered Property
(1)
Piping Suspender with Metal-to-Metal Seal
Patent:
4,569,540 →
Application:
06/566,564 →
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest.
Dec 29, 1983
From: BESON, JOHN
To: BESON TECHNOLOGY, INC.
Reel/Frame 004216/0303 →
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 →