Patent Assignment
Reel/Frame 020992/0933
Assignment of Assignor's Interest
Recorded: 2008-05-23
Pages: 7
Assignors
ERIKSEN, ERIK P., MR.
Executed: 2008-05-16
MOFFITT, MICHAEL E., MR.
Executed: 2008-05-16
WARREN, TOMMY M., MR.
Executed: 2008-05-14
Assignee
TESCO CORPORATION (US)
3993 W. SAM HOUSTON PARKWAY N., SUIE 100, HOUSTON, TEXAS, 77043
Covered Property
(1)
Circulation System for Retrieval of Bottom Hole Assembly During Casing While Drilling Operations
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.