IP Library Assignment 014292/0151
Patent Assignment
Reel/Frame 014292/0151

Assignment of Assignor's Interest

Recorded: 2003-07-09 Pages: 3
Assignors
SORRELLS, MARTIN
Executed: 2003-06-23
MINTO, JAMES
Executed: 2003-06-23
Assignee
PRECISION DRILLING TECHNOLOGY SERVICES GROUP INC.
4200, 150 - 6TH AVENUE SW, CALGARY, ALBERTA, T2P 3Y7, CANADA
Covered Property (1)
Compensated Ensemble Crystal Oscillator for Use in a Well Borehole System
Patent: 7,046,584 →
Application: 10/618,282 →
Publication: US 2005/0007887
Related Assignments (4)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name Apr 21, 2006
From: PRECISION DRILLING TECHNOLOGY SERVICES GROUP INC.
To: PRECISION ENERGY SERVICES LTD.
Reel/Frame 017507/0063 →
Assignment of Assignor's Interest Apr 24, 2006
From: PRECISION ENERGY SERVICES LTD.
To: PRECISION ENERGY SERVICES ULC
Reel/Frame 017519/0043 →
Assignment of Assignor's Interest Apr 26, 2006
From: PRECISION ENERGY SERVICES ULC
To: WEATHERFORD CANADA PARTNERSHIP
Reel/Frame 017527/0191 →
Assignment of Assignor's Interest May 22, 2017
From: WEATHERFORD CANADA PARTNERSHIP
To: WEATHERFORD TECHNOLOGY HOLDINGS, LLC
Reel/Frame 042457/0086 →