Patent Assignment
Reel/Frame 018633/0372
Assignment of Assignor's Interest
Recorded: 2006-12-14
Pages: 6
Assignors
ANGMAN, PER G.
Executed: 2006-11-16
TESSARI, ROBERT M.
Executed: 2006-11-17
WARREN, TOMMY M.
Executed: 2006-12-07
Assignee
TESCO CORPORATION
6204 - 6A STREET SE, CALGARY, T2H 2B7, CANADA
Covered Property
(1)
Casing Bottom Hole Assembly Retrieval Process
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.