Patent Assignment
Reel/Frame 027211/0051
Assignment of Assignor's Interest
Recorded: 2011-11-10
Pages: 3
Assignor
ARMSTRONG, CHARLES DAVID
Executed: 2011-11-09
Assignee
BAKER HUGHES INCORPORATED
2929 ALLEN PARKWAY, SUITE 2100, HOUSTON, TEXAS, 77019
Covered Property
(1)
Method of Fracturing Using Mannanohydrolase Enzyme Breaker
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Entity Conversion
Oct 4, 2017
From: BAKER HUGHES INCORPORATED
To: BAKER HUGHES, A GE COMPANY, LLC
Reel/Frame 044127/0001 →
Change of Name
Feb 16, 2018
From: BAKER HUGHES INCORPORATED
To: BAKER HUGHES, A GE COMPANY, LLC
Reel/Frame 045349/0522 →
Change of Name
Feb 16, 2022
From: BAKER HUGHES, A GE COMPANY, LLC
To: BAKER HUGHES HOLDINGS LLC
Reel/Frame 059142/0921 →