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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06/24/1986
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Application #:
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06665071
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Filing Dt:
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10/26/1984
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Inventor:
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TERRY R. MATTHIAS
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Title:
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ROTARY DRILL BITS
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST.
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OLDENDS LANE, STONEHOUSE |
GLOUCESTERSHIRE, ENGLAND |
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NL INDUSTRIES INC. |
P.O. BOX 60087 |
HOUSTON TX 77205 |
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Assignment:
2
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ASSIGNMENT OF ASSIGNORS INTEREST.
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MARGARET E. ANDERSON |
BROWNING, BUSHMAN, ZAMECKI & ANDERSON |
5718 WESTHEIMER, SUITE 1800 |
HOUSTON, TX 77057 |
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