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Patent Assignment Abstract of Title
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Total Assignments: 6
Patent #:
Issue Dt:
03/28/1995
Application #:
08248626
Filing Dt:
05/24/1994
Inventors:
JOHN M. CROWELL, JAMES E. TESKE
Title:
REMOVABLE PISTON BORE LINER FOR HYDRAULICALLY ACTUATED SEISMIC VIBRATOR
Assignment: 1
Reel/Frame:
007644/0138Recorded: 08/28/1995Pages: 41
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
06/30/1995
Assignee:
12300 PARC CREST DRIVE
STAFFORD, TEXAS 77477
Correspondent:
TIM HEADLEY
HAYNES AND BOONE, L.L.P.
4300 FIRST INTERSTATE BANK PLAZA
1000 LOUISIANA
HOUSTON, TX 77002
Assignment: 2
Reel/Frame:
007815/0841Recorded: 02/23/1996Pages: 56
Conveyance:
CORRECTED ASSIGNMENT
Assignor:
Exec Dt:
06/30/1995
Assignee:
12300 PARC CREST DRIVE
STAFFORD, TEXAS 77477
Correspondent:
HAYNES AND BOONE, L.L.P.
TIM HEADLEY
4300 FIRST INTERSTATE BANK PLAZA
1000 LOUISIANA
HOUSTON, TX 77002
Assignment: 3
Reel/Frame:
009245/0506Recorded: 06/08/1998Pages: 12
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
02/12/1998
Assignee:
11104 WEST AIRPORT BLVD., SUITE 200
STAFFORD, TEXAS 77477
Correspondent:
HAYNES AND BOONE, L.L.P.
TIM HEADLEY
1000 LOUISIANA, SUITE 4300
HOUSTON, TX 77002-5012
Assignment: 4
Reel/Frame:
024424/0191Recorded: 05/21/2010Pages: 4
Conveyance:
CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
09/24/2007
Assignee:
2105 CITYWEST BOULEVARD
SUITE 400
HOUSTON, TEXAS 77042-2839
Correspondent:
ROBERT M. TUTTLE
370 SEVENTEENTH STREET
REPUBLIC PLAZA BUILDING, SUITE 4700
DENVER, CO 80202
Assignment: 5
Reel/Frame:
024424/0138Recorded: 05/21/2010Pages: 8
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
05/19/2010
Assignee:
2105 CITYWEST BOULEVARD
SUITE 400
HOUSTON, TEXAS 77042-2839
Correspondent:
ROBERT M. TUTTLE
370 SEVENTEENTH STREET
REPUBLIC PLAZA BUILDING, SUITE 4700
DENVER, CO 80202
Assignment: 6
Reel/Frame:
024651/0695Recorded: 07/09/2010Pages: 11
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
07/07/2010
Assignee:
PO BOX 309GT UGLAND HOUSE
SOUTH CHURCH STREET
GEORGE TOWN, GRAND CAYMAN, CAYMAN ISLANDS
Correspondent:
ROBERT M. TUTTLE/ DORSEY & WHITNEY LLP
370 SEVENTEENTH STREET
REPUBLIC PLAZA BUILDING, SUITE 4700
DENVER, CO 80202

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