Assignment of Assignor's Interest

Recorded: 2016-10-17 Pages: 8

Assignors

RIGSBY, TIMOTHY B.

Executed: 2013-03-20

BIRCHER, FELIX E.

Executed: 2014-03-07

Assignee

ION GEOPHYSICAL CORPORATION

2105 CITYWEST BOULEVARD, SUITE 400, HOUSTON, TEXAS, 77042-2839

Covered Property (1)

Power Savings Mode for Ocean Bottom Seismic Data Acquisition Systems

Patent: 9,507,043 →

Application: 14/803,306 →

Publication: US 2015/0323693

Related Assignments (1)

Other recorded transfers of the patent in this record — the chain of ownership.