Patent Assignment
Reel/Frame 019018/0974
Assignment of Assignor's Interest
Recorded: 2007-03-15
Pages: 2
Assignor
HAN, WEI
Executed: 2007-01-22
Assignee
PATHFINDER ENERGY SERVICES, INC.
15151 SOMMERMEYER, HOUSTON, TEXAS, 77041
Covered Property
(1)
Apparatus and Method for Determining Drilling Fluid Acoustic Properties
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.