Patent Assignment
Reel/Frame 024939/0313
Assignment of Assignor's Interest
Recorded: 2010-09-03
Pages: 7
Assignors
BRANNON, HAROLD DEAN
Executed: 2005-01-11
RICKARDS, ALLAN RAY
Executed: 2005-01-11
STEPHENSON, CHRISTOPHER JOHN
Executed: 2005-01-11
MAHARIDGE, RUSSELL L.
Executed: 2005-01-11
Assignee
BJ SERVICES COMPANY
4601 WESTWAY PARK BLVD., HOUSTON, TEXAS, 77041
Covered Property
(1)
Method of Stimulating Oil and Gas Wells Using Deformable Proppants
Application:
12/875,730 →
Publication:
US 2011/0000667
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger
Jun 17, 2011
From: BJ SERVICES COMPANY
To: BSA ACQUISITION LLC
Reel/Frame 026465/0022 →
Change of Name
Jun 23, 2011
From: BSA ACQUISITION LLC
To: BJ SERVICES COMPANY LLC
Reel/Frame 026498/0356 →
Assignment of Assignor's Interest
Jun 27, 2011
From: BJ SERVICES COMPANY LLC
To: BAKER HUGHES INCORPORATED
Reel/Frame 026508/0854 →