Patent Assignment
Reel/Frame 021330/0711
Assignment of Assignor's Interest
Recorded: 2008-08-01
Pages: 5
Assignor
WARREN, TOMMY M., MR.
Executed: 2008-07-24
Assignee
TESCO CORPORATION
3993 W. SAM HOUSTON PARKWAY N., SUITE 100, HOUSTON, TEXAS, 77043
Covered Property
(1)
Casing Shoe and Retrievable Bit Assembly
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.