IP Library › Assignment 017868/0129
Patent Assignment
Reel/Frame 017868/0129

Assignment of Assignor's Interest

Recorded: 2006-06-27 Pages: 6
Assignors
BAILEY, THOMAS F.
Executed: 2006-03-02
CHAMBERS, JAMES W.
Executed: 2006-03-02
HANNEGAN, DON M.
Executed: 2006-03-02
GRAVOUIA, MARK F.
Executed: 2006-03-02
Assignee
WEATHERFORD/LAMB, INC.
515 POST OAK BLVD., SUITE 600, HOUSTON, TEXAS, 77027
Covered Property (1)
Rotating Control Head Radial Seal Protection and Leak Detection Systems
Patent: 7,836,946 →
Application: 11/366,078 →
Publication: US 2006/0144622
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Dec 4, 2014
From: WEATHERFORD/LAMB, INC.
To: WEATHERFORD TECHNOLOGY HOLDINGS, LLC
Reel/Frame 034526/0272 →