Patent Assignment
Reel/Frame 018930/0171
Assignment of Assignor's Interest
Recorded: 2007-02-22
Pages: 5
Assignee
BJ SERVICES COMPANY
4601 WESTWAY PARK BLVD., HOUSTON, TEXAS, 77041
Covered Property
(1)
Dual Purpose Blow Out Preventer
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.