Patent Assignment
Reel/Frame 010831/0115
Assignment of Assignor's Interest
Recorded: 2000-05-19
Pages: 6
Assignee
PLAINS ENERGY SERVICES LTD.
#500, 555 4TH AVENUE S.W., CALGARY, ALBERTA T2P 3E7, CANADA
Covered Property
(1)
"Coiled Tubing Drilling Rig"
Patent:
6,502,641 →
Application:
09/574,972 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Aug 20, 2001
From: PLAINS ENERGY SERVICES LTD.
To: PRECISION DRILLING CORPORATION
Reel/Frame 012091/0991 →
Security Agreement
Dec 29, 2008
From: PRECISION DRILLING CORPORATION
To: ROYAL BANK OF CANADA
Reel/Frame 022034/0306 →
Release of Security Interest
Nov 22, 2010
From: ROYAL BANK OF CANADA
To: PRECISION DRILLING CORPORATION
Reel/Frame 025411/0632 →