Patent Assignment
Reel/Frame 022647/0311
Assignment of Assignor's Interest
Recorded: 2009-05-06
Pages: 2
Assignor
FRAC SOURCE INC.
Executed: 2008-11-25
Assignee
CENTURY OILFIELD SERVICES INC.
300, 404 - 6TH AVENUE SW, CALGARY, ALBERTA, T2P 0R9, CANADA
Covered Property
(1)
Shock-Release Fluid Fracturing Method and Apparatus
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.