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Patent Assignment Abstract of Title
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Total Assignments: 7
Patent #:
6591025
Issue Dt:
07/08/2003
Application #:
09524918
Filing Dt:
03/13/2000
Inventors:
Lee E. Siems, Greyson Knapp, John L. Maida, Han-Sun Choi, Tom O'Brien, Reinis Kanders
Title:
OPTICAL SENSING SYSTEM
Assignment: 1
Reel/Frame:
012375/0266Recorded: 10/30/2001Pages: 8
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
SIEMS, LEE E.
Exec Dt:
10/13/2001
KNAPP, GREYSON
Exec Dt:
10/13/2001
MAIDA, JOHN L.
Exec Dt:
10/13/2001
CHOI, HAN-SUN
Exec Dt:
10/13/2001
KANDERS, REINIS
Exec Dt:
10/13/2001
O'BRIEN, TOM
Exec Dt:
10/13/2001
Assignee:
INPUT/OUTPUT, INC.
12300 CHARLES E. SELECMAN DRIVE
STAFFORD, TEXAS 77477
Correspondent:
HAYNES AND BOONE, LLP
TODD MATTINGLY
1000 LOUISIANA, SUITE 4300
HOUSTON TEXAS 77002-5012
Assignment: 2
Reel/Frame:
024424/0191Recorded: 05/21/2010Pages: 4
Conveyance:
CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor:
INPUT/OUTPUT, INC.
Exec Dt:
09/24/2007
Assignee:
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BOULEVARD
SUITE 400
HOUSTON, TEXAS 77042-2839
Correspondent:
ROBERT M. TUTTLE
370 SEVENTEENTH STREET
REPUBLIC PLAZA BUILDING, SUITE 4700
DENVER, CO 80202
Assignment: 3
Reel/Frame:
024424/0138Recorded: 05/21/2010Pages: 8
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
ION GEOPHYSICAL CORPORATION
Exec Dt:
05/19/2010
Assignee:
INOVA GEOPHYSICAL CORPORATION
2105 CITYWEST BOULEVARD
SUITE 400
HOUSTON, TEXAS 77042-2839
Correspondent:
ROBERT M. TUTTLE
370 SEVENTEENTH STREET
REPUBLIC PLAZA BUILDING, SUITE 4700
DENVER, CO 80202
Assignment: 4
Reel/Frame:
024651/0695Recorded: 07/09/2010Pages: 11
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
ION GEOPHYSICAL CORPORATION
Exec Dt:
07/07/2010
Assignee:
INOVA LTD.
PO BOX 309GT UGLAND HOUSE
SOUTH CHURCH STREET
GEORGE TOWN, GRAND CAYMAN, CAYMAN ISLANDS
Correspondent:
ROBERT M. TUTTLE/ DORSEY & WHITNEY LLP
370 SEVENTEENTH STREET
REPUBLIC PLAZA BUILDING, SUITE 4700
DENVER, CO 80202
Assignment: 5
Reel/Frame:
031146/0058Recorded: 09/05/2013Pages: 6
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
INOVA LTD
Exec Dt:
08/20/2013
Assignee:
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BOULEVARD
SUITE 400
HOUSTON, TEXAS 77042-2839
Correspondent:
DORSEY & WHITNEY LLP
1400 WEWATTA STREET
SUITE 400
DENVER, CO 80202-5549
Assignment: 6
Reel/Frame:
033598/0088Recorded: 08/22/2014Pages: 20
Conveyance:
SECURITY AGREEMENT
Assignors:
ION GEOPHYSICAL CORPORATION
Exec Dt:
08/22/2014
I/O MARINE SYSTEMS, INC.
Exec Dt:
08/22/2014
GX TECHNOLOGY CORPORATION
Exec Dt:
08/22/2014
ION EXPLORATION PRODUCTS (U.S.A.), INC.
Exec Dt:
08/22/2014
Assignee:
PNC BANK, NATIONAL ASSOCIATION, AS AGENT
2100 ROSS AVENUE, SUITE 1850
DALLAS, TEXAS 75201
Correspondent:
SUSAN O'BRIEN
CT LIEN SOLUTIONS
187 WOLF ROAD, SUITE 101
ALBANY, NEW YORK 12205
Assignment: 7
Reel/Frame:
034181/0779Recorded: 11/04/2014Pages: 21
Conveyance:
SECURITY AGREEMENT
Assignors:
ION GEOPHYSICAL CORPORATION
Exec Dt:
08/22/2014
I/O MARINE SYSTEMS, INC.
Exec Dt:
08/22/2014
GX TECHNOLOGY CORPORATION
Exec Dt:
08/22/2014
ION EXPLORATION PRODUCTS (U.S.A.), INC.
Exec Dt:
08/22/2014
Assignee:
U. S. BANK NATIONAL ASSOCIATION, AS COLLATERAL AGENT
5555 SAN FELIPE, SUITE 1150
HOUSTON, TEXAS USA 77056
Correspondent:
SUSAN O'BRIEN
CT LIEN SOLUTIONS
187 WOLF ROAD, SUITE 101
ALBANY, NEW YORK 12205

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