Patent Assignment
Reel/Frame 019522/0375
Assignment of Assignor's Interest
Recorded: 2007-06-29
Pages: 7
Assignors
TESKE, JAMES
Executed: 2007-06-26
CROWELL, JOHN
Executed: 2007-06-26
WEI, ZHOUHONG
Executed: 2007-06-26
Assignee
INPUT/OUTPUT, INC.
2101 CITY WEST BLVD., BUILDING III, SUITE 400, HOUSTON, TEXAS, 77042
Covered Property
(1)
Apparatus and Method for Generating a Seismic Source Signal
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
May 21, 2010
From: ION GEOPHYSICAL CORPORATION
To: INOVA GEOPHYSICAL CORPORATION
Reel/Frame 024424/0138 →
Change of Name
May 21, 2010
From: INPUT/OUTPUT, INC.
To: ION GEOPHYSICAL CORPORATION
Reel/Frame 024424/0197 →
Assignment of Assignor's Interest
Jul 9, 2010
From: ION GEOPHYSICAL CORPORATION
To: INOVA LTD.
Reel/Frame 024651/0695 →