IP Library Assignment 014588/0753
Patent Assignment
Reel/Frame 014588/0753

Merger

Recorded: 2004-05-04 Pages: 3
Assignor
POLAR COMPLETIONS ENGINEERING INC.
Executed: 2003-01-01
Assignee
PRECISION DRILLING TECHNOLOGY SERVICES GROUP INC
4200, 150-6TH AVENUE SW, CALGARY, ALBERTA, T2P 3Y7, CANADA
Covered Property (1)
Junk Basket and Method of Use
Patent: 6,341,653 →
Application: 09/459,265 →
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Jun 8, 2004
From: PRECISION DRILLING TECHNOLOGY SERVICES GROUP INC.
To: INNICOR SUBSURFACE TECHNOLOGIES INC.
Reel/Frame 014699/0522 →
Change of Name Mar 30, 2009
From: INNICOR SUBSURFACE TECHNOLOGIES INC.
To: BJ TOOL SERVICES LTD.
Reel/Frame 022460/0669 →