Patent Assignment
Reel/Frame 024441/0378
Assignment of Assignor's Interest
Recorded: 2010-05-26
Pages: 3
Assignor
ZHANG, KEWEI
Executed: 2008-06-24
Assignee
TRICAN WELL SERVICE LTD.
645-7TH AVENUE S.W., SUITE 2900, CALGARY, T2P 4G8, CANADA
Covered Property
(1)
Resin Coated Proppant Slurry Compositions and Methods of Making and Using Same
Application:
12/669,178 →
Publication:
US 2010/0256024
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.