Patent Assignment
Reel/Frame 027429/0402
Assignment of Assignor's Interest
Recorded: 2011-12-21
Pages: 3
Assignor
PENA, CESAR
Executed: 2011-12-20
Assignee
TESCO CORPORATION
3993 W. SAM HOUSTON PKWY. N., SUITE 100, HOUSTON, TEXAS, 77043-1211
Covered Property
(1)
Method for Detecting and Mitigating Drilling Inefficiencies
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.