Patent Assignment
Reel/Frame 013138/0627
Assignment of Assignor's Interest
Recorded: 2002-07-30
Pages: 5
Assignee
BJ SERVICES COMPANY
5500 NORTHWEST CENTRAL DRIVE, HOUSTON, TEXAS, 77092
Covered Property
(1)
Lightweight methods and compositions for well treating
Patent:
6,364,018 →
Application:
09/579,147 →
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Sep 11, 2000
From: BRANNON, HAROLD D.; RICKARDS, ALLAN R.; STEPHENSON, CHRISTOPHER J.
To: BJ SERVICES COMPANY
Reel/Frame 011057/0638 →
Merger
May 23, 2011
From: BJ SERVICES COMPANY
To: BSA ACQUISITION LLC
Reel/Frame 026325/0331 →
Assignment of Assignor's Interest
May 23, 2011
From: BJ SERVICES COMPANY LLC
To: BAKER HUGHES INCORPORATED
Reel/Frame 026326/0570 →
Change of Name
May 23, 2011
From: BSA ACQUISITION LLC
To: BJ SERVICES COMPANY LLC
Reel/Frame 026328/0296 →