IP Library Assignment 030637/0846
Patent Assignment
Reel/Frame 030637/0846

Assignment of Assignor's Interest

Recorded: 2013-06-18 Pages: 6
Assignors
SALLAS, JOHN
Executed: 2007-06-15
WEI, ZHOUHONG
Executed: 2007-06-18
Assignee
INPUT/OUTPUT, INC.
2101 CITYWEST BLVD., BUILDING III, SUITE 400, HOUSTON, TEXAS, 77042
Covered Property (1)
Apparatus for Generating a Seismic Source Signal
Patent: 8,134,891 →
Application: 13/049,713 →
Publication: US 2011/0164470
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Jun 26, 2013
From: ION GEOPHYSICAL CORPORATION
To: INOVA LTD.
Reel/Frame 030691/0731 →
Change of Name Jun 26, 2013
From: INPUT/OUPUT, INC.
To: ION GEOPHYSICAL CORPORATION
Reel/Frame 030695/0242 →