Patent Assignment
Reel/Frame 021989/0824
Assignment of Assignor's Interest
Recorded: 2008-12-16
Pages: 4
Assignee
DRECO ENERGY SERVICES LTD.
3550 - 93 STREET, EDMONTON, T6E 5N3, CANADA
Covered Property
(1)
Drive Shaft Assembly for a Downhole Motor
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.