Patent Assignment
Reel/Frame 014803/0147
Assignment of Assignor's Interest
Recorded: 2003-12-17
Pages: 4
Assignors
HALLIDAY, WILLIAM S.
Executed: 2003-12-04
SCHWERTNER, DAVID
Executed: 2003-12-04
XIANG, TAO
Executed: 2003-12-03
CLAPPER, DENNIS
Executed: 2003-12-04
Assignee
BAKER HUGHES INCORPORATED
3900 ESSEX LANE, SUITE 1200, HOUSTON, TEXAS, 77027
Covered Property
(1)
Water-Based Drilling Fluids Using Latex Additives
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.