Patent Assignment
Reel/Frame 006804/0718
Assignment of Assignor's Interest
Recorded: 1993-12-20
Pages: 3
Assignor
COMPUTALOG RESEARCH, INC.
Executed: 1993-12-07
Assignee
COMPUTALOG USA, INC.
7449 WINSCOTT ROAD FORT WORTH, TX 76126, TEXAS
Covered Property
(1)
Transmitter and Receiver to Radially Scan the Cementing Conditions in Cased Wells
Patent:
5,377,160 →
Application:
08/102,614 →
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Aug 5, 1993
From: ALFORD, GERALD THEMAS
To: COMPUTALOG RESEARCH, INC.
Reel/Frame 006664/0745 →
Assignment of Assignor's Interest
Aug 5, 1993
From: BLANKINSHIP, THOMAS JAY
To: COMPUTALOG RESEARCH, INC.
Reel/Frame 006664/0748 →
Assignment of Assignor's Interest
Aug 5, 1993
From: TELLO, LUCIO NELSON
To: COMPUTALOG RESEARCH, INC.
Reel/Frame 006664/0751 →
Merger
Apr 15, 2005
From: COMPUTALOG U.S.A. INC.
To: PRECISION ENERGY SERVICES, INC.
Reel/Frame 016446/0385 →