IP Library Assignment 021294/0803
Patent Assignment
Reel/Frame 021294/0803

Assignment of Assignor's Interest

Recorded: 2008-07-25 Pages: 3
Assignor
MCGREGOR, M. DOUGLAS
Executed: 2008-07-10
Assignee
PRECISION ENERGY SERVICES, INC.
500 WINSCOTT ROAD, FORT WORTH, TEXAS, 76126
Covered Property (1)
In Situ Measurements in Formation Testing to Determine True Formation Resistivity
Patent: 8,106,659 →
Application: 12/180,029 →
Publication: US 2010/0018304
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Feb 28, 2018
From: PRECISION ENERGY SERVICES, INC.
To: WEATHERFORD TECHNOLOGY HOLDINGS, LLC
Reel/Frame 045062/0618 →