IP Library Assignment 029103/0173
Patent Assignment
Reel/Frame 029103/0173

Change of Name

Recorded: 2012-10-10 Pages: 2
Assignor
MTEM LIMITED
Executed: 2012-08-21
Assignee
PGS EM LIMITED
BIRCH HOUSE, 10 BANKHEAD, CROSSWAY SOUTH, EDINBURGH, EH11 4EP, UNITED KINGDOM
Covered Property (1)
Method for Attenuating Air Wave Response in Marine Electromagnetic Surveying
Patent: 7,795,873 →
Application: 12/218,424 →
Publication: US 2010/0013486
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Oct 30, 2008
From: ZIOLKOWSKI, ANTONI MARJAN; WRIGHT, DAVID ALLAN
To: MTEM, LTD.
Reel/Frame 021762/0544 →