Patent Assignment
Reel/Frame 005900/0394
Assignment of Assignors Interest.
Recorded: 1991-10-31
Pages: 17
Assignor
GIPSON, THOMAS C.
Executed: 1991-09-17
Covered Property
(1)
Method and Apparatus for Injection of Tubing into Wells
Patent:
4,673,035 →
Application:
06/816,288 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Collateral Assignment and Security Agmt
Oct 30, 1996
From: FLEET CEMENTERS, INC.
To: AMERICAN BANK OF TEXAS, N.A.
Reel/Frame 008194/0766 →
Assignment of Assignor's Interest
Jul 2, 1999
From: FLEET CEMENTERS, INC.
To: PLAINS ENERGY SERVICES, LTD.
Reel/Frame 010061/0106 →
Assignment of Assignor's Interest
Sep 1, 2001
From: PLAINS ENERGY SERVICES LTD.
To: PRECISION DRILLING CORPORATION
Reel/Frame 012145/0361 →