Patent Assignment
Reel/Frame 022234/0169
Assignment of Assignor's Interest
Recorded: 2009-02-10
Pages: 6
Assignors
LE, HOANG VAN
Executed: 2009-02-10
CARMAN, PAUL
Executed: 2009-02-10
GUPTA, D.V. SATYANARAYANA
Executed: 2009-02-10
Assignee
BJ SERVICES COMPANY
4601 WESTWAY PARK BLVD., HOUSTON, TEXAS, 77041
Covered Property
(1)
METHOD OF STIMULATING SUBTERRANEAN FORMATION USING LOW pH FLUID
Application:
12/368,555 →
Publication:
US 2010/0204069
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 →