Patent Assignment
Reel/Frame 037471/0031
Change of Name
Recorded: 2016-01-08
Pages: 5
Assignor
DRECO ENERGY SERVICES LTD.
Executed: 2010-10-23
Assignee
DRECO ENERGY SERVICES ULC
2900 MANULIFE PLACE, 10180-101 STREET, EDMONTON, ALBERTA, T5J 3V5, CANADA
Covered Property
(1)
Method and Apparatus for Controlling Downhole Rotational Rate of a Drilling Tool
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.