Patent Assignment
Reel/Frame 013593/0380
Assignment of Assignor's Interest
Recorded: 2002-12-02
Pages: 6
Assignors
HAHN, DETLEF
Executed: 2002-11-20
PETERS, VOLKER
Executed: 2002-11-20
ROUATBI, CEDRIC
Executed: 2002-11-20
EGGERS, HEIKO
Executed: 2002-11-20
Assignee
BAKER HUGHES INCORPORATED
3900 ESSEX LANE, SUITE 1200, HOUSTON, TEXAS, 77027
Covered Property
(1)
Oscillating Shear Valve for Mud Pulse Telemetry and Associated Methods of Use