Patent Assignment
Reel/Frame 028970/0678
Assignment of Assignor's Interest
Recorded: 2012-09-17
Pages: 19
Assignor
PRECISION ENERGY SERVICES LTD
Executed: 2006-03-31
Assignee
PRECISION ENERGY SERVICES ULC
1917 A-84 AVE., EDMONTON, T6P1K1, CANADA
Covered Property
(1)
Compensated Ensemble Crystal Oscillator for Use in a Well Borehole System
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Sep 17, 2012
From: SORRELLS, MARTIN; MINTO, JAMES
To: PRECISION DRILLING TECHNOLOGIES SERVICE GROUP INC.
Reel/Frame 028969/0229 →
Assignment of Assignor's Interest
Sep 17, 2012
From: PRECISION ENERGY SERVICES ULC
To: WEATHERFORD CANADA PARTNERSHIP
Reel/Frame 028970/0884 →
Change of Name
Sep 17, 2012
From: PRECISION DRILLING TECHNOLOGY SERVICES GROUP INC.
To: PRECISION ENERGY SERVICES LTD.
Reel/Frame 028995/0584 →