Patent Assignment Abstract of Title
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Total Assignments:
3
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Patent #:
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Issue Dt:
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08/17/1982
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Application #:
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06174483
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Filing Dt:
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08/01/1980
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Inventor:
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LEROY W. LEDGERWOOD III
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Title:
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EARTH BORING DRILL BIT WITH SNAP RING CUTTER RETENTION
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST.
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| P.O. BOX 2539 |
| HOUSTON, TEXAS 77001 |
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| ROBERT A. FELSMAN |
| HUGHES TOOL CO. |
| P. O. BOX 2539 |
| HOUSTON, TX 77001 |
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Assignment:
2
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ASSIGNMENT OF ASSIGNORS INTEREST.
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| HUGHES TOOL COMPANY |
| P.O. BOX 2539 |
| HOUSTON TX 77001 |
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Assignment:
3
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CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). EFFECTIVE OCTOBER 11, 1988 (DELAWARE)
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| FELSMAN, BRADLEY, GUNTER & DILLON |
| 2600 CONTINENTAL PLAZA |
| 777 MAIN STREET |
| FORT WORTH, TX 76102 |
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