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Patent Assignment Abstract of Title
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Total Assignments: 1
Patent #:
Issue Dt:
09/28/2010
Application #:
11990960
Filing Dt:
02/25/2008
Publication #:
Pub Dt:
05/14/2009
PCT #:
US0629087
Inventors:
Dennis E. Willen, Philip J. Summerfield
Title:
METHOD FOR PERFORMING CONTROLLED SOURCE ELECTOMAGNETIC SURVEYING WITH MULTIPLE TRANSMITTERS
Assignment: 1
Reel/Frame:
020976/0475Recorded: 05/22/2008Pages: 10
Conveyance:
SECURITY AGREEMENT
Assignor:
Exec Dt:
04/30/2008
Assignee:
135 SOUTH LASSALLE STREET
SUITE 425
CHICAGO, ILLINOIS 60603
Correspondent:
DORSEY & WHITNEY LLP
50 SOUTH SIXTH STREET
SUITE 1500
MINNEAPOLIS, MN 55402

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