IP Library Assignment 045802/0136
Patent Assignment
Reel/Frame 045802/0136

Assignment of Assignor's Interest

Recorded: 2018-05-15 Pages: 5
Assignor
KERR, RICHARD KELSO
Executed: 2016-10-17
Assignee
NEXEN ENERGY ULC
801 7TH AVE SW, CALGARY, AB, T2P 3P7, CANADA
Covered Property (1)
Processes for Producing Hydrocarbons from a Reservoir
Application: 15/035,114 →
Publication: US 2016/0273326
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest May 15, 2018
From: HARDING, THOMAS
To: NEXEN ENERGY ULC
Reel/Frame 045802/0181 →
Change of Name Feb 19, 2019
From: NEXEN ENERGY ULC
To: CNOOC PETROLEUM NORTH AMERICA ULC
Reel/Frame 048366/0576 →