IP Library › Assignment 034674/0619
Patent Assignment
Reel/Frame 034674/0619

Assignment of Assignor's Interest

Recorded: 2015-01-09 Pages: 3
Assignor
FERNIHOUGH, ROBERT ALEXIS PEREGRIN
Executed: 2015-01-07
Assignee
PGS GEOPHYSICAL AS
LILLEAKERVEIEN 4C, P.O.BOX 251 LILLEAKER, OSLO, 0216, NORWAY
Covered Property (1)
Hydrophone
Patent: 9,784,861 →
Application: 14/569,066 →
Publication: US 2015/0219776
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 →