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Patent Assignment Details
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Reel/Frame:026806/0726   Pages: 4
Recorded: 08/25/2011
Attorney Dkt #:26560-140315
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Total properties: 9
1
Patent #:
Issue Dt:
08/04/1998
Application #:
08772860
Filing Dt:
12/24/1996
Title:
ROD JOINT
2
Patent #:
Issue Dt:
08/10/1999
Application #:
08802557
Filing Dt:
02/19/1997
Title:
CORE BARREL APPARATUS
3
Patent #:
Issue Dt:
02/29/2000
Application #:
08976884
Filing Dt:
11/24/1997
Title:
RETRACTABLE CORE BARREL VALVING APPARATUS
4
Patent #:
Issue Dt:
08/29/2000
Application #:
09184998
Filing Dt:
11/03/1998
Title:
CABLE OVERSHOT APPARATUS
5
Patent #:
Issue Dt:
07/18/2000
Application #:
09212551
Filing Dt:
12/16/1998
Title:
POSITIVE LATCH CORE BARREL APPARATUS
6
Patent #:
Issue Dt:
04/16/2002
Application #:
09518050
Filing Dt:
03/02/2000
Title:
Bore hole grouting apparatus and method
7
Patent #:
Issue Dt:
07/30/2002
Application #:
09779258
Filing Dt:
02/08/2001
Title:
UP-HOLE PUMP-IN CORE BARREL APPARATUS
8
Patent #:
Issue Dt:
05/20/2003
Application #:
09845060
Filing Dt:
04/27/2001
Publication #:
Pub Dt:
10/31/2002
Title:
UP-HOLE OVERSHOT AND SAFETY DRILLING APPARATUS
9
Patent #:
Issue Dt:
04/13/2004
Application #:
10066237
Filing Dt:
10/26/2001
Publication #:
Pub Dt:
05/01/2003
Title:
DRILL STRING CHUCK
Assignor
1
Exec Dt:
08/22/2011
Assignee
1
10808 SOUTH RIVER FRONT PARKWAY
SUITE 600
SOUTH JORDAN, UTAH 84095
Correspondence name and address
CLARK HILL PLC
150 NORTH MICHIGAN AVE.
SUITE 2700
CHICAGO, IL 60601

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