IP Library Assignment 029103/0291
Patent Assignment
Reel/Frame 029103/0291

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 Subsurface Electromagnetic Surveying Using Two or More Simultaneously Actuated Electromagnetic Sources to Impart Electromagnetic Signals into a Subsurface Formation and Thereby Determining a Formation Response to Each Signal
Patent: 8,258,791 →
Application: 12/321,884 →
Publication: US 2010/0188090
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Dec 17, 2009
From: ZIOLKOWSKI, ANTONI MARJAN
To: MTEM, LTD
Reel/Frame 023692/0886 →