Patent Assignment
Reel/Frame 023170/0547
Assignment of Assignor's Interest
Recorded: 2009-08-31
Pages: 2
Assignor
HUANG, TIANPING
Executed: 2006-12-01
Assignee
BAKER HUGHES INCORPORATED
2929 ALLEN PARKWAY, SUITE 2100, HOUSTON, TEXAS, 77019-2118
Covered Property
(1)
Viscosity Enhancers for Viscoelastic Surfactant Stimulation Fluids
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.