Patent Assignment
Reel/Frame 021231/0955
Assignment of Assignor's Interest
Recorded: 2008-07-14
Pages: 2
Assignor
ILLFELDER, HERBERT M.J.
Executed: 2008-05-01
Assignee
PATHFINDER ENERGY SERVICES, INC.
15151 SOMMERMEYER ST., HOUSTON, TEXAS, 77041
Covered Property
(1)
Method of Optimizing a Well Path During Drilling
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.