Patent Assignment
Reel/Frame 023660/0204
Assignment of Assignor's Interest
Recorded: 2009-12-16
Pages: 11
Assignor
SHELL OIL COMPANY
Executed: 2009-10-12
Assignee
THRUBIT B.V.
LANGE KLEIWEG 60F, RIJSWIJK ZH, 2288GK, NETHERLANDS
Covered Property
(1)
Steerable Rotary Drill Bit Assembly with Pilot Bit
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Jun 28, 2004
From: RUNIA, DOUWE JOHANNES; SMITH, DAVID GEORGE LIVESEY; WORRALL, ROBERT NICHOALS
To: SHELL OIL COMPANY
Reel/Frame 015600/0979 →
Assignment of Assignor's Interest
Oct 4, 2012
From: THRUBIT B.V.
To: SCHLUMBERGER TECHNOLOGY CORPORATION
Reel/Frame 029072/0908 →