Patent Assignment
Reel/Frame 016961/0269
Assignment of Assignor's Interest
Recorded: 2005-09-02
Pages: 7
Assignors
HOPPERSTAD, JON-FREDRIK
Executed: 2005-08-16
SYNNEVAAG, JOHAN-FREDRIK
Executed: 2005-08-17
SOPPI, ANNELI
Executed: 2005-08-16
Assignee
WESTERNGECO, L.L.C.
10001 RICHMOND AVENUE, HOUSTON, TEXAS, 77042
Covered Property
(1)
Method and Apparatus for Controlling the Acoustic Output of an Airgun
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Oct 19, 2005
From: HOPPERSTAD, JON-FREDRIK; SYNNEVAAG, JON-FREDRIK; SOPPI, ANNELI
To: WEESTERNGECO L.L.C.
Reel/Frame 017110/0749 →
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 →