Patent Assignment
Reel/Frame 006664/0751
Assignment of Assignor's Interest
Recorded: 1993-08-05
Pages: 3
Assignor
TELLO, LUCIO NELSON
Executed: 1993-08-02
Assignee
COMPUTALOG RESEARCH, INC.
7449 WINSCOTT ROAD, FORT WORTH, TEXAS, 76126
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
Dec 20, 1993
From: COMPUTALOG RESEARCH, INC.
To: COMPUTALOG USA, INC.
Reel/Frame 006804/0718 →
Merger
Apr 15, 2005
From: COMPUTALOG U.S.A. INC.
To: PRECISION ENERGY SERVICES, INC.
Reel/Frame 016446/0385 →