IP Library Assignment 033595/0545
Patent Assignment
Reel/Frame 033595/0545

Assignment of Assignor's Interest

Recorded: 2014-08-22 Pages: 3
Assignor
SMITH, CARL KEITH
Executed: 2013-01-08
Assignee
TECH-STAR FLUID SYSTEMS INC.
625, 404 - 6 AVENUE SW, CALGARY, T2P 0R9, CANADA
Covered Property (1)
Drilling Fluid and Method for Drilling a Wellbore
Patent: 9,670,394 →
Application: 13/739,980 →
Publication: US 2013/0126243
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Aug 22, 2014
From: TECH-STAR FLUID SYSTEMS INC.
To: CANADIAN ENERGY SERVICES L.P.
Reel/Frame 033595/0554 →
Security Interest Jan 30, 2015
From: CANADIAN ENERGY SERVICES L.P.
To: THE BANK OF NOVA SCOTIA
Reel/Frame 034857/0635 →