Patent Assignment
Reel/Frame 017789/0777
Assignment of Assignor's Interest
Recorded: 2006-06-15
Pages: 2
Assignor
MUMBY, EDWARD S
Executed: 2006-05-04
Assignee
PATHFINDER ENERGY SERVICES, INC.
15151 SOMMERMEYER, HOUSTON, TEXAS, 77041
Covered Property
(1)
Drilling Fluid Pressure Pulse Detection Using a Differential Transducer
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.