IP Library Assignment 012087/0774
Patent Assignment
Reel/Frame 012087/0774

Assignment of Assignor's Interest

Recorded: 2001-05-14 Pages: 5
Assignors
COMEAU, LAURIER E.
Executed: 2001-05-09
GILLIS, IAN G.
Executed: 2001-05-07
KNULL, CRAIG J.
Executed: 2001-05-02
Assignee
COMPUTALOG LTD.
4500, 150 - 6TH AVENUE S.W., CALGARY, ALBERTA, T2P 3, CANADA
Covered Property (1)
Apparatus and Method for Directional Drilling with Coiled Tubing
Patent: 6,571,888 →
Application: 09/853,686 →
Publication: US 2002/0166701
Related Assignments (3)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger Aug 3, 2005
From: PRECISION DRILLING TECHNOLOGY SERVICES GROUP, INC.
To: PRECISION ENERGY SERVICES, LTD.
Reel/Frame 016345/0103 →
Assignment of Assignor's Interest Apr 21, 2006
From: PRECISION ENERGY SERVICES LTD.
To: PRECISION ENERGY SERVICES ULC
Reel/Frame 017507/0031 →
Assignment of Assignor's Interest Apr 26, 2006
From: PRECISION ENERGY SERVICES ULC
To: WEATHERFORD CANADA PARTNERSHIP
Reel/Frame 017527/0191 →