Patent Assignment
Reel/Frame 004903/0388
To Correct Habitat of Assignee in a Previously Recorded Assignment Recorded at Reel 4803 Frames 242-243 Assignor Hereby Confirms the Entire Interest in Said Invention to Assignee (Negative Certificate Attached)
Recorded: 1988-06-23
Pages: 4
Assignor
WILKINS, ROBERT L.
Executed: 1988-05-18
Assignee
CAMERON IRON WORKS USA, INC., A CORP. OF DE
13013 NORTHWEST FREEWAY, HARRIS COUNTY, HOUSTON, TEXAS, 77013
Covered Property
(1)
Wireline Downhole Annulus Valve
Patent:
4,807,700 →
Application:
07/098,377 →
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest.
Sep 18, 1987
From: WILKINS, ROBERT L.
To: CAMERON IRON WORKS USA, INC., 13013 NORTHWEST FREEWAY, HOUSTON, TEXAS 77040 A CORP. OF TEXAS
Reel/Frame 004803/0242 →
Assignment of Assignors Interest.
Feb 4, 1991
From: CAMERA IRON WORKS USA, INC., A CORP OF DE
To: COOPER INDUSTRIES, INC.
Reel/Frame 005587/0874 →
Assignment of Assignor's Interest
May 5, 1995
From: COOPER INDUSTRIES, INC.
To: COOPER CAMERON CORPORATION
Reel/Frame 007462/0622 →
Merger
May 5, 1995
From: CAMERON IRON WORKS USA, INC.
To: COOPER INDUSTRIES, INC.
Reel/Frame 007465/0201 →