Patent Assignment Details
NOTE:Results display only for issued patents and published applications.
For pending or abandoned applications please consult USPTO staff.
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Reel/Frame: | 015962/0341 | |
| Pages: | 8 |
| | Recorded: | 11/08/2004 | | |
Conveyance: | SECURITY INTEREST (SEE DOCUMENT FOR DETAILS). |
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Total properties:
4
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Patent #:
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Issue Dt:
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09/04/2001
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Application #:
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09259846
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Filing Dt:
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03/01/1999
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Title:
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MULTIPLE SLEEVE VALVE ASSEMBLY
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Patent #:
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Issue Dt:
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05/06/2003
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Application #:
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09885322
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Filing Dt:
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06/19/2001
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Title:
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THREADED UNION SAFETY DEVICE AND METHOD
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Patent #:
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NONE
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Issue Dt:
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Application #:
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10281055
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Filing Dt:
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10/25/2002
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Publication #:
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Pub Dt:
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04/29/2004
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Title:
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Wellhead systems
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Patent #:
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Issue Dt:
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05/23/2006
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Application #:
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29210780
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Filing Dt:
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07/21/2004
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Title:
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DIAMOND-SHAPED FACE ON DIAMOND-SHAPED FACE ON BLOWOUT PREVENTERS, VALVES, CHOKES, OR THE LIKE
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Assignee
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1000 LOUISIANA |
HOUSTON, TEXAS 77002 |
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Correspondence name and address
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WINSTEAD SECHREST & MINICK P.C.
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DIANE K. LETTELLEIR
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P.O. BOX 50784
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DALLAS, TX 75201
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