Patent Assignment
Reel/Frame 026053/0158
Assignment of Assignor's Interest
Recorded: 2011-03-31
Pages: 8
Assignors
VAN OS, ROEL
Executed: 2011-03-24
DION, DOMINIQUE
Executed: 2011-03-01
CHEUNG, PHILIP
Executed: 2011-02-28
Assignee
SCHLUMBERGER TECHNOLOGY CORPORATION
200 GILLINGHAM LANE, MD200-2, SUGAR LAND, TEXAS, 77478
Covered Property
(1)
Device and Method of Determining Rate of Penetration and Rate of Rotation