Patent Assignment
Reel/Frame 012498/0862
Assignment of Assignor's Interest
Recorded: 2001-11-07
Pages: 4
Assignors
POELKER, DAVID J.
Executed: 2001-11-05
MCMAHON, JOANN
Executed: 2001-10-29
HARKEY, DEE
Executed: 2001-11-07
Assignee
BAKER HUGHES INCORPORATED
SUITE 1200, 3900 ESSEX LANE, HOUSTON, TEXAS, 77027
Covered Property
(1)
Copolymers Useful for Gelling Acids
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.