Patent Assignment Abstract of Title
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Total Assignments:
5
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Patent #:
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Issue Dt:
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11/07/1989
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Application #:
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07146377
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Filing Dt:
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01/21/1988
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Inventors:
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ALFRED OSTERTAG, ROBERT E. IVERSEN, CRAIG R. HYLAND, KENNETH D. ENEVER et al
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Title:
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NOZZLE RETENTION SYSTEM FOR A DRILL BIT
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST.
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| ARNOLD, WHITE & DURKEE |
| P.O. BOX 4433 |
| HOUSTON, TX 77210 |
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Assignment:
2
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ASSIGNMENT OF ASSIGNORS INTEREST.
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| ARNOLD, WHITE & DURKEE |
| P.O. BOX 4433 |
| HOUSTON, TX 77210 |
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Assignment:
3
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ASSIGNMENT OF ASSIGNORS INTEREST.
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| ARNOLD, WHITE & DURKEE |
| P.O. BOX 4433 |
| HOUSTON, TX 77210 |
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Assignment:
4
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ASSIGNMENT OF ASSIGNORS INTEREST.
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| ARNOLD, WHITE & DURKEE |
| P.O. BOX 4433 |
| HOUSTON, TX 77210 |
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Assignment:
5
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ASSIGNMENT OF ASSIGNORS INTEREST.
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| 1937 SOUTH 300 WEST |
| SALT LAKE CITY, UTAH 84115 |
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| ARNOLD, WHITE & DURKEE |
| P.O. BOX 4433 |
| HOUSTON, TX 77210 |
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