IP Library › Assignment 044627/0351
Patent Assignment
Reel/Frame 044627/0351

Assignment of Assignor's Interest

Recorded: 2018-01-16 Pages: 4
Assignor
CANYON TECHNICAL SERVICES LTD.
Executed: 2017-11-30
Assignee
TRICAN WELL SERVICE LTD.
2900, 645-7TH AVENUE SW, CALGARY, ALBERTA, T2P 4G8, CANADA
Covered Property (1)
Method of Treating a Formation Using Deformable Proppants
Patent: 7,875,574 →
Application: 12/258,810 →
Publication: US 2009/0107672
Related Assignments (3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Jul 7, 2009
From: FULTON, ROBERT GORDON; PESKUNOWICZ, ADOLPH JOSEPH JOHN; OLSON, GARNET ROSS
To: CANYON TECHNICAL SERVICES, LTD.
Reel/Frame 022920/0247 →
Assignment of Assignor's Interest May 18, 2012
From: FULTON, ROBERT GORDON; PESKUNOWICZ, ADOLPH JOSEPH JOHN; OLSON, GARNET ROSS
To: CANYON TECHNICAL SERVICES, LTD.
Reel/Frame 028231/0263 →
Security Agreement Jul 12, 2017
From: CANYON TECHNICAL SERVICES LTD.
To: COMPUTERSHARE TRUST COMPANY OF CANADA
Reel/Frame 043176/0837 →