IP Library Assignment 031222/0731
Patent Assignment
Reel/Frame 031222/0731

Change of Name

Recorded: 2013-09-17 Pages: 3
Assignor
Assignee
NINE ENERGY CANADA INC.
SUITE 1900, 840 - 7TH AVENUE SW, CALGARY, T2P 3G2, CANADA
Covered Property (1)
Method and Apparatus for Perforating Multiple Wellbore Intervals
Patent: 8,393,392 →
Application: 12/729,022 →
Publication: US 2010/0236781
Related Assignments (3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Jun 2, 2010
From: MYTOPHER, TERRY LEE; COFFEY, NATHAN
To: INTEGRATED PRODUCTION SERVICES LTD.
Reel/Frame 024475/0606 →
Change of Name Nov 23, 2012
From: INTEGRATED PRODUCTION SERVICES LTD.
To: INTEGRATED PRODUCTION SERVICES ULC
Reel/Frame 029343/0691 →
Merger Jan 9, 2013
From: INTEGRATED PRODUCTION SERVICES ULC
To: INTEGRATED PRODUCTION SERVICES LTD.
Reel/Frame 029597/0922 →