Patent Assignment
Reel/Frame 018601/0336
Assignment of Assignor's Interest
Recorded: 2006-11-13
Pages: 3
Assignor
MUELLER, DAN T.
Executed: 2006-11-06
Assignee
BJ SERVICES COMPANY
5500 NORTHWEST CENTRAL DRIVE, HOUSTON, TEXAS, 77092
Covered Property
(1)
Cement Compositions Useful in Oil and Gas Wells
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.