Patent Assignment
Reel/Frame 021987/0226
Assignment of Assignor's Interest
Recorded: 2008-12-15
Pages: 3
Assignor
D'ARCY, SHANE P.
Executed: 2008-12-09
Assignee
TESCO CORPORATION
6204 - 6A STREET SE, CALGARY, ALBERTA, CALIFORNIA, T2H 2B7
Covered Property
(1)
Pump Down Cement Retaining Device
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.