IP Library Assignment 019098/0167
Patent Assignment
Reel/Frame 019098/0167

Assignment of Assignor's Interest

Recorded: 2007-04-02 Pages: 3
Assignor
CREIGHTON, JOHN LEITH
Executed: 2007-03-16
Assignee
PRECISION ENERGY SERVICES, INC.
500 WINSCOTT ROAD, FORT WORTH, TEXAS, 76126
Covered Property (1)
Wireline Bailing System for Removing Large Volumes of Liquid from a Borehole
Patent: 7,836,955 →
Application: 11/695,120 →
Publication: US 2008/0236834
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest May 15, 2018
From: PRECISION ENERGY SERVICES, INC.
To: WEATHERFORD TECHNOLOGY HOLDINGS, LLC
Reel/Frame 045801/0961 →