IP Library › Assignment 022558/0498
Patent Assignment
Reel/Frame 022558/0498

Assignment of Assignor's Interest

Recorded: 2009-04-17 Pages: 9
Assignors
KRAGH, JULIAN EDWARD
Executed: 2009-04-01
ROBERTSSON, JOHAN OLOF ANDERS
Executed: 2009-04-06
MUYZERT, EVERHARD JOHAN
Executed: 2009-04-01
KOSTOV, CLEMENT
Executed: 2009-04-05
Assignee
SCHLUMBERGER TECHNOLOGY CORPORATION
ONE HAMPSHIRE STREET, CAMBRIDGE, MASSACHUSETTS, 02139
Covered Property (1)
Zero-Offset Seismic Trace Construction
Patent: 8,958,266 →
Application: 12/439,099 →
Publication: US 2010/0002539
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Dec 4, 2020
From: SCHLUMBERGER TECHNOLOGY CORPORATION
To: WESTERNGECO LLC
Reel/Frame 054541/0920 →