Patent Assignment
Reel/Frame 032952/0113
Assignment of Assignor's Interest
Recorded: 2014-05-22
Pages: 8
Assignor
ION GEOPHYSICAL CORPORATION
Executed: 2014-05-20
Assignee
SEAMAP PTE LTD.
51 CHANGI NORTH CRESCENT, SINGAPORE, 499626, SINGAPORE
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
Marine Seismic Survey Apparatus with Graphical User Interface and Real-Time Quality Control
Digital Air Gun Source Controller Apparatus and Control Method
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 →
Change of Name
May 22, 2014
From: INPUT/OUTPUT, INC.
To: ION GEOPHYSICAL CORPORATION
Reel/Frame 032952/0050 →