IP Library › Assignment 028743/0106
Patent Assignment
Reel/Frame 028743/0106

Assignment of Assignor's Interest

Recorded: 2012-08-07 Pages: 11
Assignors
GRANT, JOHN EDWARD
Executed: 2012-07-12
DARLING, STUART MAXWELL
Executed: 2012-07-16
CHERIYAN, THOMAS
Executed: 2012-07-11
FLYNN, DESMOND JOHN
Executed: 2012-07-12
Assignee
ION GEOPHYSICAL CORPORATION
2105 CITY WEST BOULEVARD, SUITE 400, HOUSTON, TEXAS, 77042-2839
Covered Property (1)
Method and Apparatus for Determining a Location to Acquire Geophysical Data
Patent: 9,121,956 →
Application: 13/479,173 →
Publication: US 2012/0300583
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Dec 16, 2022
From: ION GEOPHYSICAL CORPORATION
To: SERCEL HOLDING SAS; SERCEL INC.
Reel/Frame 062128/0856 →
Assignment of Assignor's Interest Dec 19, 2022
From: SERCEL HOLDING SAS; SERCEL INC.
To: CONCEPT SYSTEMS LTD
Reel/Frame 062145/0991 →