Patent Assignment
Reel/Frame 058351/0853
Merger and Change of Name
Recorded: 2021-12-09
Pages: 6
Assignors
LOS ACQUISITION CO I LLC
Executed: 2018-03-21
LIBERTY OILFIELD SERVICES LLC
Executed: 2018-03-21
Assignee
LIBERTY OILFIELD SERVICES LLC
950 17TH ST., SUITE 2400, DENVER, COLORADO, 80202
Covered Property
(1)
Method for Chemically Controlling Delay Time for Breaking Polymers
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 →
Assignment of Assignor's Interest
Dec 3, 2021
From: SANJEL CANADA LTD.
To: LOS ACQUISITION CO I LLC
Reel/Frame 058277/0736 →
Change of Name
Jan 13, 2025
From: LIBERTY OILFIELD SERVICES LLC
To: LIBERTY ENERGY SERVICES LLC
Reel/Frame 069881/0664 →