Change of Name

Recorded: 2007-10-04 Received: 2007-10-04 Pages: 2

Assignor

INPUT/OUTPUT, INC.

Executed: 2007-09-21

Assignee

ION GEOPHYSICAL CORPORATION

2105 CITYWEST BOULEVARD, HOUSTON, TX, 77042-2839, UNITED STATES

Covered Properties (2)

Apparatus and Method for Integrating Survey Parameters Into a Header

Application: 11/760,451 →

Seismic survey parameter integration into headers

Application: 60/812,568 →