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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06/23/1987
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Application #:
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06602385
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Filing Dt:
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04/20/1984
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Inventors:
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ALONZO L. DE CELL, GREGG S. PERKIN, PETER PATARINI
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Title:
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HEAVY WALL DRILL PIPE AND METHOD OF MANUFACTURE OF HEAVY WALL DRILL PIPE
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST.
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| PRAVEL, GAMBRELL, HEWITT, KIRK & KIMBALL |
| 1177 WEST LOOP SOUTH, STE. 1010 |
| HOUSTON, TX 77027 |
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Assignment:
2
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SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).
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| 1000 LOUISIANA |
| HOUSTON, TEXAS 77002 |
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| BUTLER & BINION |
| NANCY A. TALAVERA |
| SUITE 1600 |
| 1000 LOUISIANA |
| HOUSTON, TEXAS 77002-5093 |
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Assignment:
3
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| 15710 JFK BLVD., STE. 150 |
| HOUSTON, TEXAS 77032 |
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| LESTER L. HEWITT |
| PRAVEL, HEWITT, KIMBALL & KRIEGER |
| 1177 WEST LOOP SOUTH |
| TENTH FLOOR |
| HOUSTON, TX 77027 |
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