Patent Assignment
Reel/Frame 012651/0207
Assignment of Assignor's Interest
Recorded: 2002-02-26
Pages: 18
Assignors
MAXWELL, PETER
Executed: 2001-12-03
BEHN, LAWRENCE P.
Executed: 2002-01-24
BEDNAR, EUGENE D.
Executed: 2001-11-27
GANNON, JEFFERY C.
Executed: 2001-11-21
CORRIGAN, MICHAEL ARTHUR
Executed: 2001-11-19
RAGAN, GLEN
Executed: 2001-11-20
LAMBERT, DALE J.
Executed: 2001-11-21
POLK, HENRY THOMAS
Executed: 2001-11-19
ROCHE, STEVEN L.
Executed: 2001-11-19
BERTRAND, WILFRED ROY
Executed: 2001-11-28
WILSON, DAVID
Executed: 2001-12-12
CAIN, BYRON LEE
Executed: 2001-11-20
MCMAHON, MICHAEL GEORGE
Executed: 2001-12-21
DOWNEY, JOHN C., JR.
Executed: 2001-11-27
ELDER, KEITH
Executed: 2002-01-29
Assignee
INPUT/OUTPUT, INC.
SUITE 200, 12300 CHARLES E. SELECMAN DRIVE, STAFFORD, TEXAS, 77477
Covered Property
(1)
Accelerometer Transducer Used for Seismic Recording
Patent:
6,883,638 →
Application:
09/936,629 →
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Security Agreement
Aug 22, 2014
From: ION GEOPHYSICAL CORPORATION; I/O MARINE SYSTEMS, INC.; GX TECHNOLOGY CORPORATION; ION EXPLORATION PRODUCTS (U.S.A.), INC.
To: PNC BANK, NATIONAL ASSOCIATION, AS AGENT
Reel/Frame 033598/0088 →
Security Agreement
Nov 4, 2014
From: ION GEOPHYSICAL CORPORATION; I/O MARINE SYSTEMS, INC.; GX TECHNOLOGY CORPORATION; ION EXPLORATION PRODUCTS (U.S.A.), INC.
To: U. S. BANK NATIONAL ASSOCIATION, AS COLLATERAL AGENT
Reel/Frame 034181/0779 →