Patent Assignment
Reel/Frame 054457/0066
Assignment of Assignor's Interest
Recorded: 2020-11-24
Pages: 9
Assignor
TECH-STAR FLUID SYSTEMS INC.
Executed: 2013-11-19
Assignee
CANADIAN ENERGY SERVICES L.P.
1400, 700 - 4TH AVENUE SW, CALGARY, T2P 2X6, CANADA
Covered Property
(1)
Method for Making and Using a Drilling Fluid
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.