Patent Assignment
Reel/Frame 022339/0061
Assignment of Assignor's Interest
Recorded: 2009-03-03
Pages: 6
Assignors
ZAHRADNIK, ANTON F.
Executed: 2007-02-26
NGUYEN, DON Q.
Executed: 2009-03-02
MASSEY, ALAN J.
Executed: 2009-03-02
Assignee
BAKER HUGHES INCORPORATED
2001 RANKIN ROAD, HOUSTON, TEXAS, 77073
Covered Property
(1)
Hybrid Drill Bit with High Bearing Pin Angles
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.