IP Library Assignment 024441/0378
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.
Security Interest Jan 13, 2016
From: TRICAN WELL SERVICE LTD.
To: COMPUTERSHARE TRUST COMPANY OF CANADA
Reel/Frame 037482/0702 →