IP Library › Assignment 015887/0880
Patent Assignment
Reel/Frame 015887/0880

Assignment of Assignor's Interest

Recorded: 2004-10-18 Pages: 3
Assignors
RUNIA, DOUWE JOHANNES
Executed: 2004-06-11
BERKHEIMER, EARL EUGENE
Executed: 2004-09-02
Assignee
SHELL OIL COMPANY
900 LOUISIANA, P.O. BOX 2463, HOUSTON, TEXAS, 77252-2463
Covered Property (1)
Well String Assembly
Patent: 7,188,672 →
Application: 10/831,550 →
Publication: US 2005/0029017
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Dec 16, 2009
From: SHELL OIL COMPANY
To: THRUBIT B.V.
Reel/Frame 023660/0193 →
Assignment of Assignor's Interest Oct 4, 2012
From: THRUBIT B.V.
To: SCHLUMBERGER TECHNOLOGY CORPORATION
Reel/Frame 029072/0908 →