Patent Assignment
Reel/Frame 026990/0479
Assignment of Assignor's Interest
Recorded: 2011-09-29
Pages: 3
Assignor
POELKER, DAVID J.
Executed: 2011-08-24
Assignee
BAKER HUGHES INCORPORATED
2929 ALLEN PARKWAY, SUITE 2100, HOUSTON, TEXAS, 77019-2118
Covered Property
(1)
Use of a BTEX-Free Solvent to Prepare Stimulation and Oilfield Production Additives
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.