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Reel/Frame:030637/0704   Pages: 4
Recorded: 06/18/2013
Attorney Dkt #:P221265.US.01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Total properties: 1
1
Patent #:
Issue Dt:
09/01/2009
Application #:
11805798
Filing Dt:
05/24/2007
Publication #:
Pub Dt:
11/01/2007
Title:
SYNCHRONIZATION OF SEISMIC DATA ACQUISITION SYSTEMS
Assignors
1
Exec Dt:
09/25/2003
2
Exec Dt:
09/25/2003
Assignee
1
440 SECOND AVENUE S.W.
ERNST & YOUNG TOWER, SUITE 500
CALGARY, ALBERTA, CANADA T2P 5E9
Correspondence name and address
JOSHUA D. ENGEL / DORSEY & WHITNEY LLP
1400 WEWATTA STREET
SUITE 400
DENVER, CO 80202-5549

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