Patent Assignment
Reel/Frame 015519/0410
Assignment of Assignor's Interest
Recorded: 2004-07-01
Pages: 2
Assignor
RUNIA, DOUWE JOHANNES
Executed: 2003-06-18
Assignee
SHELL OIL COMPANY
P.O. BOX 2463, 910 LOUSIANA, HOUSTON, TEXAS, 77252-2463
Covered Property
(1)
Combined Logging and Drilling System
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Jun 2, 2003
From: RUNIA, DOUWE JOHANNES
To: SHELL OIL COMPANY
Reel/Frame 014116/0583 →
Assignment of Assignor's Interest
Dec 16, 2009
From: SHELL OIL COMPANY
To: THRUBIT B.V.
Reel/Frame 023660/0225 →
Assignment of Assignor's Interest
Oct 4, 2012
From: THRUBIT B.V.
To: SCHLUMBERGER TECHNOLOGY CORPORATION
Reel/Frame 029072/0908 →