Patent Assignment
Reel/Frame 022360/0483
Assignment of Assignor's Interest
Recorded: 2009-03-06
Pages: 3
Assignor
WARREN, TOMMY M., MR.
Executed: 2009-02-26
Assignee
TESCO CORPORATION
6204 - 6A STREET SE, CALGARY, AB, T2H 2B7, CANADA
Covered Property
(1)
Method of Selecting a Drilling Motor for a Casing Drill String
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.