Patent Assignment Details
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For pending or abandoned applications please consult USPTO staff.
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| Reel/Frame: | 008222/0771 | |
| Pages: | 10 |
| | Recorded: | 01/21/1997 | | |
| Conveyance: | SECURITY INTEREST (SEE DOCUMENT FOR DETAILS). |
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Total properties:
6
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Patent #:
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Issue Dt:
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03/17/1981
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Application #:
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05907485
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Filing Dt:
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05/19/1978
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Title:
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ROTARY DRILL BIT HAVING A SOLID FORGED, UNITARY BODY
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Patent #:
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Issue Dt:
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03/24/1981
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Application #:
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06005396
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Filing Dt:
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01/22/1979
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Title:
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FILAMENT WOUND BEARING
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Patent #:
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Issue Dt:
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10/27/1981
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Application #:
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06083988
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Filing Dt:
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10/11/1979
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Title:
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CABLE TOOL WITH CIRCULATING DRILL STEM
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Patent #:
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Issue Dt:
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06/08/1982
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Application #:
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06138079
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Filing Dt:
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04/07/1980
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Title:
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METHOD FOR MANUFACTURING A ROTARY DRILL BIT HAVING A SOLID FORGED, UNITARY BODY
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Patent #:
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Issue Dt:
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06/05/1984
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Application #:
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06314784
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Filing Dt:
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10/26/1981
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Title:
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BEARING SEAL FOR ROTATING CUTTER DRILL BIT
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Patent #:
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Issue Dt:
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08/16/1988
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Application #:
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07071157
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Filing Dt:
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07/08/1987
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Title:
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ASYMMETRICAL ROTARY CONE BIT
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Assignee
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| STE. 600 |
| 3379 PEACHTREE RD., N.E. |
| ATLANTA, GEORGIA 30326 |
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Correspondence name and address
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KING & SPALDING
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PAMELA A. ALLEN
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191 PEACHTREE STREET
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ATLANTA, GA 30303
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