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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08/02/1994
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Application #:
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07995814
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Filing Dt:
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12/23/1992
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Inventors:
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GARY M. THIGPEN, WILLIAM H. SHERWOOD
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Title:
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DRILL BIT HAVING POLYCRYSTALLINE DIAMOND COMPACT CUTTER WITH SPHERICAL FIRST END OPPOSITE CUTTING END
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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3000 NORTH SAM HOUSTON PKWY E. |
HOUSTON, TEXAS 77032 |
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WILLIAM E. JOHNSON, JR. |
BROWNING, BUSHMAN, ANDERSON & BROOKHART |
5718 WESTHEIMER, SUITE 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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2601 BELTLINE ROAD |
LEGAL, INTELLECTUAL PROPERTY DEPARTMENT |
CARROLLTON, TEXAS 75006 |
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HALLIBURTON ENERGY SERVICES, INC. |
WILLIAM R. PEOPLES |
LEGAL, INTELLECTUAL PROPERTY DEPARTMENT |
2601 BELTLINE ROAD, MAIL CODE 1-B-121 |
CARROLLTON, TX 75006 |
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