Patent Assignment Abstract of Title
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Total Assignments:
2
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Patent #:
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Issue Dt:
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06/29/1993
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Application #:
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07828425
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Filing Dt:
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01/31/1992
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Inventors:
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MALCOLM R. TAYLOR, ANDREW KEOHANE
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Title:
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ROTARY DRILL BITS AND METHODS OF DESIGNING SUCH DRILL BITS
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST.
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| HYCALOG, OLDENDS LANE INDUSTRIAL ESTATE |
| STONEHOUSE, GLOUCESTERSHIRE, ENGLAND |
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| MARGARET E. ANDERSON |
| 5718 WESTHEIMER, STE 1800 |
| HOUSTON, TX 77057 |
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Assignment:
2
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| OLDENDS LANE INDUSTRIAL ESTATE |
| STONEHOUSE GLOS, UNITED KINGDOM GL10 3RQ |
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| GRANT PRIDECO, L.P. |
| JEFFREY E. DALY |
| 400 NO. SAM HOUSTON PKWY E. |
| SUITE 900 |
| HOUSTON, TX 77060 |
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