Patent Assignment
Reel/Frame 005258/0164
Assignment of Assignors Interest.
Recorded: 1990-02-20
Pages: 2
Assignor
GODARE, WILLIAM L.
Executed: 1989-11-09
Assignee
FOSTER OILFIELD EQUIPMENT CO.
A DE CORP., HOUSTON, TEXAS
Covered Property
(1)
Geothermal Well Chemical Injection System
Patent:
4,972,904 →
Application:
07/398,215 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
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 →