IP Library › Assignment 026975/0357
Patent Assignment
Reel/Frame 026975/0357

Assignment of Assignor's Interest

Recorded: 2011-09-27 Pages: 3
Assignor
Assignee
CCS CORPORATION
2400, 530 - 8TH AVENUE S.W., CALGARY, ALBERTA, T2P 3S8, CANADA
Covered Property (1)
Water-Based Polymer Drilling Fluid and Method of Use
Application: 13/113,645 →
Publication: US 2011/0224108
Related Assignments (5)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Sep 27, 2011
From: EWANEK, JOHN
To: MUD KING DRILLING FLUIDS (2001) LTD.
Reel/Frame 026974/0340 →
Change of Name Apr 2, 2012
From: CCS CORPORATION
To: TERVITA CORPORATION
Reel/Frame 027975/0618 →
Grant of Security Interest in Patents Feb 14, 2013
From: TERVITA CORPORATION
To: WILMINGTON TRUST, NATIONAL ASSOCIATION, AS COLLATERAL TRUSTEE
Reel/Frame 029817/0826 →
Assignment of Assignor's Interest Jan 16, 2014
From: TERVITA CORPORATION
To: CANADIAN ENERGY SERVICES L.P.
Reel/Frame 031987/0835 →
Security Interest Jan 30, 2015
From: CANADIAN ENERGY SERVICES L.P.
To: THE BANK OF NOVA SCOTIA
Reel/Frame 034857/0635 →