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Patent Assignment Abstract of Title
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Total Assignments: 3
Patent #:
Issue Dt:
03/13/2012
Application #:
13049713
Filing Dt:
03/16/2011
Publication #:
Pub Dt:
07/07/2011
Inventors:
Zhouhong Wei, John Sallas
Title:
APPARATUS FOR GENERATING A SEISMIC SOURCE SIGNAL
Assignment: 1
Reel/Frame:
030637/0846Recorded: 06/18/2013Pages: 6
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
Exec Dt:
06/15/2007
Exec Dt:
06/18/2007
Assignee:
2101 CITYWEST BLVD.
BUILDING III, SUITE 400
HOUSTON, TEXAS 77042
Correspondent:
JOSHUA D. ENGEL / DORSEY & WHITNEY LLP
1400 WEWATTA STREET
SUITE 400
DENVER, CO 80202-5549
Assignment: 2
Reel/Frame:
030695/0242Recorded: 06/26/2013Pages: 2
Conveyance:
CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
09/21/2007
Assignee:
2105 CITYWEST BOULEVARD
SUITE 400
HOUSTON, TEXAS 77042
Correspondent:
JOSHUA D. ENGEL / DORSEY & WHITNEY LLP
1400 WEWATTA STREET
SUITE 400
DENVER, CO 80202-5549
Assignment: 3
Reel/Frame:
030691/0731Recorded: 06/26/2013Pages: 9
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
07/07/2010
Assignee:
SOUTH CHURCH STREET
PO BOX 309GT UGLAND HOUSE
GEORGE TOWN, GRAND CAYMAN, CAYMAN ISLANDS
Correspondent:
JOSHUA D. ENGEL / DORSEY & WHITNEY LLP
1400 WEWATTA STREET
SUITE 400
DENVER, CO 80202-5549

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