Patent Assignment
Reel/Frame 024340/0638
Assignment of Assignor's Interest
Recorded: 2010-05-05
Pages: 6
Assignee
HALLIBURTON ENERGY SERVICES, INC.
10200 BELLAIRE BOULEVARD, HOUSTON, TEXAS, 77072
Covered Property
(1)
Subterranean Well Valve Activated with Differential Pressure