Patent Assignment
Reel/Frame 013557/0317
Assignment of Assignor's Interest
Recorded: 2002-12-09
Pages: 3
Assignors
TILTON, FREDERICK T.
Executed: 2002-11-22
LIRETTE, BRENT J.
Executed: 2002-11-22
MARTENS, JAMES G.
Executed: 2002-11-22
Assignee
WEATHERFORD/LAMB, INC.
515 POST OAK BLVD., HOUSTON, TEXAS, 77027
Covered Property
(1)
Smart Cementing Systems
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.