Patent Assignment Abstract of Title
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Total Assignments:
2
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Patent #:
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Issue Dt:
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11/17/2009
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Application #:
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11844257
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Filing Dt:
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08/23/2007
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Publication #:
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Pub Dt:
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12/13/2007
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Inventors:
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Volker Richert, David W. Watson
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Title:
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METHODS OF MANUFACTURING ROTARY DRAG BITS INCLUDING A CENTRAL REGION HAVING A PLURALITY OF CUTTING STRUCTURES
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Assignment:
1
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CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
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| 17021 ALDINE WESTFIELD |
| HOUSTON, TEXAS 77073 |
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| LENORA EVANS |
| 2001 RANKIN ROAD |
| HOUSTON, TX 77073 |
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Assignment:
2
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CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
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| 17021 ALDINE WESTFIELD |
| HOUSTON, TEXAS 77073 |
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| LENORA EVANS |
| 2001 RANKIN ROAD |
| HOUSTON, TX 77073 |
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