IP Library Assignment 006739/0358
Patent Assignment
Reel/Frame 006739/0358

Assignment of Assignor's Interest

Recorded: 1993-09-30 Pages: 2
Assignor
GRAY, KEVIN L.
Executed: 1993-09-29
Assignee
WEATHERFORD U.S., INC.
1360 POST OAK BLVD., HOUSTON, TEXAS, 77056
Covered Property (1)
Stuck Pipe Locator System
Patent: 5,375,476 →
Application: 08/129,660 →
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest May 17, 2005
From: WEATHERFORD U.S., L.P.
To: WEATHERFORD/LAMB, INC.
Reel/Frame 016016/0879 →
Assignment of Assignor's Interest Dec 4, 2014
From: WEATHERFORD/LAMB, INC.
To: WEATHERFORD TECHNOLOGY HOLDINGS, LLC
Reel/Frame 034526/0272 →