Patent Assignment
Reel/Frame 006645/0252
Assignment of Assignor's Interest
Recorded: 1993-07-30
Pages: 3
Assignor
TICKELL, EDWARD BRYANT, JR.
Executed: 1993-07-20
Assignee
COMPUTALOG RESEARCH, INC.
7449 WINSCOTT ROAD, FORT WORTH, TEXAS, 76126
Covered Property
(1)
Multiple Transmit Frequency Induction Logging System with Closed Loop Conversion Circuitry for Phase and Gain Variation Elimination
Patent:
5,500,597 →
Application:
08/099,621 →
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Jul 30, 1993
From: SCHOCH, PETER J.
To: COMPUTALOG RESEARCH, INC.
Reel/Frame 006645/0241 →
Assignment of Assignor's Interest
Jul 30, 1993
From: MOSELEY, LONNIE MAX
To: COMPUTALOG RESEARCH, INC.
Reel/Frame 006645/0246 →
Assignment of Assignor's Interest
Jul 30, 1993
From: BLOOMFIELD, DWIGHT A.
To: COMPUTASLOG RESEARCH, INC.
Reel/Frame 006645/0249 →
Assignment of Assignor's Interest
Apr 12, 2005
From: COMPUTALOG RESEARCH, INC.
To: COMPUTALOG USA, INC.
Reel/Frame 016446/0373 →
Merger
Feb 7, 2006
From: COMPUTALOG U.S.A., INC.
To: PRECISION ENERGY SERVICES, INC.
Reel/Frame 017230/0977 →