IP Library Assignment 009992/0035
Patent Assignment
Reel/Frame 009992/0035

Assignment of Assignor's Interest

Recorded: 1999-06-01 Pages: 4
Assignors
MARTIN, DALLAS
Executed: 1999-05-06
CHARVOZ, DAVID C.
Executed: 1999-05-06
Assignee
INPUT/OUTPUT, INC.
11104 WEST AIRPORT BLVD., SUITE 200, STAFFORD, TEXAS, 77477
Covered Property (1)
Floatation Device for Marine Seismic Energy Sources
Patent: 6,301,193 →
Application: 09/270,553 →
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name May 22, 2014
From: INPUT/OUTPUT, INC.
To: ION GEOPHYSICAL CORPORATION
Reel/Frame 032952/0050 →
Assignment of Assignor's Interest May 22, 2014
From: ION GEOPHYSICAL CORPORATION
To: SEAMAP PTE LTD.
Reel/Frame 032952/0113 →