IP Library Assignment 032952/0050
Patent Assignment
Reel/Frame 032952/0050

Change of Name

Recorded: 2014-05-22 Pages: 8
Assignor
INPUT/OUTPUT, INC.
Executed: 2007-09-21
Assignee
ION GEOPHYSICAL CORPORATION
5000 RIVER ROAD, HARAHAN, LOUISIANA, 77042
Covered Properties (4)
Floatation Device for Marine Seismic Energy Sources
Patent: 6,301,193 →
Application: 09/270,553 →
Method and Apparatus for Marine Source Diagnostics
Patent: 6,788,618 →
Application: 10/368,325 →
Publication: US 2003/0202423
Marine Seismic Survey Apparatus with Graphical User Interface and Real-Time Quality Control
Patent: 6,901,028 →
Application: 10/368,699 →
Publication: US 2004/0022125
Digital Air Gun Source Controller Apparatus and Control Method
Patent: 6,873,571 →
Application: 10/388,243 →
Publication: US 2004/0032794
Related Assignments (5)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest Jun 1, 1999
From: MARTIN, DALLAS; CHARVOZ, DAVID C.
To: INPUT/OUTPUT, INC.
Reel/Frame 009992/0035 →
Assignment of Assignor's Interest Jun 6, 2003
From: CLAYTON, DAVID A.; KUTTY, SHYAM
To: INPUT/OUTPUT, INC.
Reel/Frame 014139/0595 →
Assignment of Assignor's Interest Jul 17, 2003
From: CLAYTON, DAVID A.; KUTTY, SHYAM; NANCE, ALLEN
To: INPUT/OUTPUT, INC.
Reel/Frame 014278/0696 →
Assignment of Assignor's Interest Aug 11, 2003
From: CLAYTON, DAVID A.; KUTTY, SHYAM
To: INPUT/OUTPUT, INC.
Reel/Frame 014364/0337 →
Assignment of Assignor's Interest May 22, 2014
From: ION GEOPHYSICAL CORPORATION
To: SEAMAP PTE LTD.
Reel/Frame 032952/0113 →