IP Library Assignment 010349/0296
Patent Assignment
Reel/Frame 010349/0296

Assignment of Assignor's Interest

Recorded: 1999-09-14 Pages: 2
Assignors
CHEMALI, ROLAND
Executed: 1999-09-01
DUMMER, RUSSELL L.
Executed: 1999-09-07
Assignee
COMPUTALOG U.S.A., INC.
500 WINSCOTT ROAD, FORT WORTH, TEXAS, 76126
Covered Property (1)
Lwd Resistivity Device with Inner Transmitters and Outer Receivers, and Azimuthal Sensitivity
Patent: 6,377,050 →
Application: 09/398,953 →
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger Feb 7, 2006
From: COMPUTALOG U.S.A., INC.
To: PRECISION ENERGY SERVICES, INC.
Reel/Frame 017230/0977 →
Assignment of Assignor's Interest Feb 28, 2018
From: PRECISION ENERGY SERVICES, INC.
To: WEATHERFORD TECHNOLOGY HOLDINGS, LLC
Reel/Frame 045062/0618 →