IP Library Assignment 016305/0969
Patent Assignment
Reel/Frame 016305/0969

Assignment of Assignor's Interest

Recorded: 2005-06-06 Pages: 3
Assignors
MAAS, STEVEN J.
Executed: 2005-06-02
METZBOWER, D. RICHARD
Executed: 2005-06-02
Assignee
PGS AMERICAS, INC.
15150 MEMORIAL DRIVE, HOUSTON, TEXAS, 77079
Covered Property (1)
Optical Accelerometer, Optical Inclinometer and Seismic Sensor System Using Such Accelerometer and Inclinometer
Patent: 7,222,534 →
Application: 11/095,860 →
Publication: US 2006/0219009
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Nov 9, 2018
From: PGS GEOPHYSICAL AS
To: PGS AMERICAS, INC.
Reel/Frame 047467/0183 →
Assignment of Assignor's Interest Feb 12, 2019
From: PGS AMERICAS, INC
To: GEOSPACE TECHNOLOGIES CORPORATION
Reel/Frame 048305/0771 →