Patent Assignment
Reel/Frame 014978/0845
Assignment of Assignor's Interest
Recorded: 2004-02-17
Pages: 4
Assignors
HALLIDAY, WILLIAM S.
Executed: 2004-01-19
SCHWERTNER, DAVID
Executed: 2004-02-03
XIANG, TAO
Executed: 2004-01-16
CLAPPER, DENNIS
Executed: 2004-01-19
Assignee
BAKER HUGHES INCORPORATED
3900 ESSEX LANE, SUITE 1200, HOUSTON, TEXAS, 77027
Covered Property
(1)
Fluid Loss Control and Sealing Agent for Drilling Depleted Sand Formations
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.