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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11/03/1987
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Application #:
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07046204
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Filing Dt:
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05/04/1987
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Inventor:
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DAVID M. NGUYEN
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Title:
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EARTH BORING BIT HAVING A REPLACEABLE, THREADED NOZZLE WITH WRENCH SOCKET
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Assignment:
1
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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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Assignment:
2
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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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Assignment:
3
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ASSIGNMENT OF ASSIGNORS INTEREST.
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| 1600 PACIFIC, A DE CORP. |
| DALLAS, TEXAS 75201 |
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| ROBERT A. FELSMAN |
| PATS. AND TECHNOLOGY MGMNT. |
| HUGHES TOOL COMPANY |
| P. O. BOX 2539 |
| HOUSTON, TX 77001 |
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Assignment:
4
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ASSIGNMENT OF ASSIGNORS INTEREST.
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| 1600 PACIFIC |
| DALLAS, TEXAS 75201 |
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| JOHNSON & GIBBS |
| 100 FOUNDERS SQUARE |
| 900 JACKSON STREET |
| DALLAS, TX 75202-4499 |
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Assignment:
5
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| 2601 BELTLINE ROAD |
| LEGAL, INTELLECTUAL PROPERTY DEPARTMENT |
| CARROLLTON, TEXAS 75006 |
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| HALLIBURTON ENERGY SERVICES, INC. |
| WILLIAM R. PEOPLES |
| MAIL CODE 1-B-121 |
| 2601 BELTLINE ROAD |
| CARROLLTON, TX 75006 |
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