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: | 009883/0723 | |
| Pages: | 13 |
| | Recorded: | 04/12/1999 | | |
| Conveyance: | SECURITY INTEREST (SEE DOCUMENT FOR DETAILS). |
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Total properties:
8
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Patent #:
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Issue Dt:
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10/21/1997
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Application #:
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08515536
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Filing Dt:
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08/15/1995
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Title:
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IMPROVED BI-CENTER BIT AND METHOD FOR ENHANCING STABILITY
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Patent #:
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Issue Dt:
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11/03/1998
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Application #:
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08710697
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Filing Dt:
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09/19/1996
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Title:
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TAPERED AND REINFORCED CATHETER
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Patent #:
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Issue Dt:
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11/30/1999
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Application #:
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08955147
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Filing Dt:
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10/21/1997
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Title:
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BI-CENTER BIT WITH OPPOSITELY DISPOSED CUTTING SURFACES
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Patent #:
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Issue Dt:
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01/04/2000
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Application #:
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09014116
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Filing Dt:
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01/27/1998
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Title:
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CORING TOOL
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Patent #:
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Issue Dt:
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05/30/2000
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Application #:
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09021012
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Filing Dt:
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02/09/1998
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Title:
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CUTTING ELEMENT
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Patent #:
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Issue Dt:
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11/07/2000
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Application #:
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09057714
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Filing Dt:
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04/02/1998
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Title:
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REDUCED EROSION NOZZLE SYSTEM AND METHOD FOR THE USE OF DRILL BITS TO REDUCE EROSION
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Patent #:
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Issue Dt:
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02/22/2000
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Application #:
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09129179
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Filing Dt:
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04/16/1998
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Title:
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CUTTING ELEMENT WITH STRESS REDUCTION
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Patent #:
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Issue Dt:
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11/09/1999
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Application #:
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09149196
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Filing Dt:
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09/08/1998
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Title:
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STABILIZING DRILL BIT WITH IMPROVED CUTTING ELEMENTS
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Assignee
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| 1717 MAIN STREET, 4TH FLOOR |
| DALLAS, TEXAS 75201 |
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Correspondence name and address
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BROWN, PARKER & LEAHY, L.L.P.
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ROBERT C. SHEARER
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1200 SMITH STREET
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SUITE 3600
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HOUSTON, TX 77002
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