Patent Assignment
Reel/Frame 021149/0978
Assignment of Assignor's Interest
Recorded: 2008-06-25
Pages: 3
Assignor
COLLEY, E. LEE, III
Executed: 2008-06-20
Assignee
WEATHERFORD/LAMB, INC.
515 POST OAK BOULEVARD, SUITE 600, HOUSTON, TEXAS, 77027
Covered Property
(1)
Well Treatment Using a Progressive Cavity Pump
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.