Patent Assignment Abstract of Title
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Total Assignments:
1
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Patent #:
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Issue Dt:
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10/15/1991
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Application #:
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07630682
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Filing Dt:
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12/20/1990
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Inventor:
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MARK CLENCH
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Title:
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MATRIX DIAMOND DRAG BIT WITH PCD CYLINDRICAL CUTTERS
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST.
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| 16740 HARDY ST. |
| HOUSTON, TEXAS 77032 |
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| ROBERT G. UPTON |
| SMITH INTERNATIONAL, INC. |
| P.O. BOX 60068 |
| HOUSTON, TX 77205 |
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