Patent Assignment
Reel/Frame 020987/0935
Assignment of Assignor's Interest
Recorded: 2008-05-22
Pages: 7
Assignors
ERIKSEN, ERIK P., MR.
Executed: 2008-05-16
MOFFITT, MICHAEL E., MR.
Executed: 2008-05-16
WARREN, TOMMY W., MR.
Executed: 2008-05-14
Assignee
TESCO CORPORATION (US)
3993 W. SAM HOUSTON PARKWAY N., SUITE 100, HOUSTON, TEXAS, 77043
Covered Property
(1)
Controlling Backflow Pressure During Retrieval of Bottom Hole Assembly
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.