IP Library Assignment 013667/0117
Patent Assignment
Reel/Frame 013667/0117

Assignment of Assignor's Interest

Recorded: 2003-01-16 Pages: 3
Assignors
HAUGEN, DAVID M.
Executed: 2002-12-17
TILTON, FREDERICK T.
Executed: 2003-01-07
Assignee
WEATHERFORD/LAMB, INC.
515 POST OAK BOULEVARD, SUITE 600, HOUSTON, TEXAS, 77027
Covered Property (1)
Apparatus and Methods for Drilling with Casing
Patent: 6,896,075 →
Application: 10/269,661 →
Publication: US 2004/0069501
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 →