Patent Assignment
Reel/Frame 030261/0354
Assignment of Assignor's Interest
Recorded: 2013-04-22
Pages: 3
Assignor
SMITH, CARL KEITH
Executed: 2013-02-15
Assignee
TECH-STAR FLUID SYSTEMS INC.
625, 404 - 6 AVENUE SW, CALGARY, T2P 0R9, CANADA
Covered Property
(1)
Drilling Fluid and Method for Drilling in Coal-Containing Formations
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.