Patent Assignment
Reel/Frame 039476/0911
Assignment of Assignor's Interest
Recorded: 2016-08-18
Pages: 3
Assignor
ZHANG, KEWEI
Executed: 2010-11-26
Assignee
TRICAN WELL SERVICE LTD.
645-7TH AVENUE SW, SUITE 2900, CALGARY, ALBERTA, T2P 4G8, CANADA
Covered Property
(1)
Control of Particulate Entrainment by Fluids
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.