Patent Assignment
Reel/Frame 004480/0197
Assignment of Assignors Interest.
Recorded: 1985-11-19
Pages: 4
Assignor
CACTUS PIPE AND SUPPLY CO.
Executed: 1985-11-18
Assignee
Covered Properties
(5)
Pipe Hanger
Patent:
4,306,742 →
Application:
06/121,435 →
Seal for Wellheads
Patent:
4,291,889 →
Application:
06/179,021 →
Metal Seal for Wellhead Apparatus
Patent:
4,646,845 →
Application:
06/640,719 →
Communication Joint for Use in a Well
Patent:
4,623,020 →
Application:
06/654,344 →
Wellhead Equipment Support
Patent:
4,652,022 →
Application:
06/654,352 →
Related Assignments
(4)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest.
Aug 18, 1980
From: HARDCASTLE PHILLIP
To: CACTUS PIPE & SUPPLY CO., INC., A CORP. OF TX
Reel/Frame 003795/0780 →
Assignment of Assignors Interest.
Aug 14, 1984
From: BOEKER, ROY A.
To: CACTUS PIPE & SUPPLY CO., A CORP OF TX
Reel/Frame 004299/0531 →
Assignment of Assignors Interest.
Sep 25, 1984
From: NICHOLS, RANDY P.
To: CACTUS PIPE & SUPPLY CO., A TX CORP.
Reel/Frame 004318/0915 →
Assignment of Assignor's Interest
Aug 21, 1996
From: INGRAM CACTUS COMPANY
To: COOPER CAMERON CORPORATION
Reel/Frame 008113/0832 →