Patent Assignment
Reel/Frame 006650/0179
Assignment of Assignor's Interest
Recorded: 1993-08-10
Pages: 2
Assignor
FARRIS, RICHARD C.
Executed: 1993-07-15
Assignee
WESTERN ATLAS INTERNATIONAL, INC.
10205 WESTHEIMER ROAD, HOUSTON, TEXAS, 77042
Covered Property
(1)
Swivel Mount for Gimbal Geophone
Patent:
5,341,348 →
Application:
08/091,217 →
Related Assignments
(6)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Aug 28, 1995
From: WESTERN ATLAS INTERNATIONAL, INC.
To: I/O EXPLORATION PRODUCTS, INC.
Reel/Frame 007644/0138 →
Corrected Assignment
Feb 23, 1996
From: WESTERN ATLAS INTERNATIONAL, INC.
To: I/O EXPLORATION PRODUCTS (U.S.A), INC.
Reel/Frame 007815/0841 →
Assignment of Assignor's Interest
Jun 8, 1998
From: I/O EXPLORATION PRODUCTS (U.S.A.), INC.
To: INPUT/OUTPUT, INC.
Reel/Frame 009245/0506 →
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 024424/0191 →
Assignment of Assignor's Interest
Jul 9, 2010
From: ION GEOPHYSICAL CORPORATION
To: INOVA LTD.
Reel/Frame 024651/0695 →