IP Library Assignment 058277/0736
Patent Assignment
Reel/Frame 058277/0736

Assignment of Assignor's Interest

Recorded: 2021-12-03 Pages: 5
Assignor
SANJEL CANADA LTD.
Executed: 2016-06-13
Assignee
LOS ACQUISITION CO I LLC
950 17TH STREET, SUITE 2000, DENVER, COLORADO, 80202
Covered Property (1)
Method for Chemically Controlling Delay Time for Breaking Polymers
Application: 15/068,134 →
Publication: US 2016/0264850
Related Assignments (3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Nov 23, 2021
From: OKUNOLA, AYODELE; FRIESEN, DAWN; LAWRENCE, SALLY
To: SANJEL CANADA LTD.
Reel/Frame 058189/0966 →
Merger and Change of Name Dec 9, 2021
From: LOS ACQUISITION CO I LLC; LIBERTY OILFIELD SERVICES LLC
To: LIBERTY OILFIELD SERVICES LLC
Reel/Frame 058351/0853 →
Change of Name Jan 13, 2025
From: LIBERTY OILFIELD SERVICES LLC
To: LIBERTY ENERGY SERVICES LLC
Reel/Frame 069881/0664 →