Patent Assignment
Reel/Frame 031041/0446
Assignment of Assignor's Interest
Recorded: 2013-08-20
Pages: 7
Assignors
TWARDOWSKI, ERIC M.
Executed: 2009-10-22
ODELL, ALBERT C., II
Executed: 2009-10-22
FEASEY, GUY F.
Executed: 2009-10-27
BEATTIE, SCOTT
Executed: 2009-11-02
UGWUOCHA, SHARP OKORIE
Executed: 2009-09-30
Assignee
WEATHERFORD/LAMB, INC.
515 POST OAK BOULEVARD, SUITE 600, HOUSTON, TEXAS, 77027
Covered Property
(1)
Earth Removal Member with Features for Facilitating Drill-Through
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.