Patent Assignment
Reel/Frame 022890/0831
Assignment of Assignor's Interest
Recorded: 2009-06-29
Pages: 12
Assignors
HALLIDAY, WILLIAM S.
Executed: 2009-05-22
SCHWERTNER, DAVID W.
Executed: 2009-05-11
STRICKLAND, S. DWIGHT
Executed: 2009-04-28
Assignee
BAKER HUGHES INCORPORATED
2929 ALLEN PARKWAY, SUITE 2100, HOUSTON, TEXAS, 77019-2118
Covered Property
(1)
Methods for Minimizing the Amount of Graphite Particles Used During Drilling Operations