IP Library Assignment 029103/0132
Patent Assignment
Reel/Frame 029103/0132

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
Patent: 8,063,642 →
Application: 12/157,471 →
Publication: US 2009/0309599
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Jul 29, 2008
From: ZIOLKOWSKI, ANTONI MARJAN
To: MTEM, LTD.
Reel/Frame 021308/0579 →