IP Library › Assignment 019463/0702
Patent Assignment
Reel/Frame 019463/0702

Assignment of Assignor's Interest

Recorded: 2007-06-21 Pages: 7
Assignors
SALLAS, JOHN
Executed: 2007-06-15
WEI, ZHOUHONG
Executed: 2007-06-18
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
Patent: 7,929,380 →
Application: 11/691,925 →
Publication: US 2007/0250269
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 →