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Patent Assignment Details
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Reel/Frame:012631/0885   Pages: 4
Recorded: 02/20/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Total properties: 6
1
Patent #:
Issue Dt:
01/24/1995
Application #:
08101751
Filing Dt:
08/04/1993
Title:
APPARATUS FOR ROTATING A TUBING STRING OF A PUMPING WELLHEAD
2
Patent #:
Issue Dt:
11/14/1995
Application #:
08382205
Filing Dt:
02/01/1995
Title:
TUBING STRING HANGING APPARATUS
3
Patent #:
Issue Dt:
08/18/1998
Application #:
08641761
Filing Dt:
05/02/1996
Title:
DUAL TUBING STRING HANGING APPARATUS
4
Patent #:
Issue Dt:
05/05/1998
Application #:
08748031
Filing Dt:
11/12/1996
Title:
OIL WELL BLOW-OUT PREVENTER AND SEALING DEVICE
5
Patent #:
Issue Dt:
03/02/1999
Application #:
08832637
Filing Dt:
04/04/1997
Title:
OIL WELL BLOW-OUT PREVENTER
6
Patent #:
Issue Dt:
03/13/2001
Application #:
09257007
Filing Dt:
02/25/1999
Title:
PULL-THROUGH TUBING STRING ROTATOR FOR AN OIL WELL
Assignor
1
Exec Dt:
06/12/2001
Assignee
1
C/O R&M ENERGY SYSTEMS
8750-58 AVENUE EDMONTON
ALBERTA, CANADA T6E 6
Correspondence name and address
BROWNING BASHMAN, PC
LOREN G. HELMREICH
5718 WESTHEIMER ROAD, SUITE 1800
HOUSOTN, TEXAS 77057-5771
Domestic representative
LOREN G. HELMREICH
BROWING BUSHMAN, PC
5718 WESTHEIMER ROAD
SUITE 1800
HOUSTON, TEXAS 77057-5771

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