Patent Assignment
Reel/Frame 018957/0428
Assignment of Assignor's Interest
Recorded: 2007-03-05
Pages: 10
Assignors
ROBERTSSON, JOHAN O.A.
Executed: 2006-07-31
HALLIDAY, DAVID
Executed: 2006-07-12
VAN MANEN, DIRK-JAN
Executed: 2007-03-05
Assignee
WESTERNGECO, L.L.C.
10001 RICHMOND AVENUE, HOUSTON, TEXAS, 77042
Covered Property
(1)
Seismic Data Acquisition and Source-Side Derivatives Generation and Application
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Corrective Assignment Reel 018957 / Frame 0428
Mar 15, 2007
From: ROBERTSSON, JOHAN O.A.; VAN MANEN, DIRK-JAN; HALLIDAY, DAVID; LAWS, ROBERT
To: WESTERNGECO, L.L.C.
Reel/Frame 019016/0310 →
Nunc Pro Tunc Assignment
Dec 27, 2019
From: WESTERNGECO L.L.C.
To: REFLECTION MARINE NORGE AS
Reel/Frame 051428/0580 →
Change of Address
Jan 20, 2020
From: REFLECTION MARINE NORGE AS
To: REFLECTION MARINE NORGE AS
Reel/Frame 052109/0147 →