IP Library › Assignment 028985/0483
Patent Assignment
Reel/Frame 028985/0483

Assignment of Assignor's Interest

Recorded: 2012-09-19 Pages: 3
Assignor
KERR, RICHARD KELSO
Executed: 2012-05-03
Assignee
NEXEN INC.
2900, 801 - 7TH AVENUE SW, CALGARY, T2P 3P7, CANADA
Covered Property (1)
Sagdox Geometry
Patent: 9,828,841 →
Application: 13/543,012 →
Publication: US 2013/0175031
Related Assignments (3)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name Nov 15, 2013
From: NEXEN ENERGY INC.
To: NEXEN ENERGY ULC
Reel/Frame 031611/0627 →
Certificate of Continuation Nov 15, 2013
From: NEXEN INC.
To: NEXEN ENERGY INC.
Reel/Frame 031644/0988 →
Change of Name Feb 19, 2019
From: NEXEN ENERGY ULC
To: CNOOC PETROLEUM NORTH AMERICA ULC
Reel/Frame 048366/0576 →