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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07/26/1994
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Application #:
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07965200
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Filing Dt:
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10/23/1992
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Inventors:
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LANCE D. UNDERWOOD, HAROLD D. JOHNSON, CHARLES H. DEWEY
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Title:
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METHOD AND APPARATUS FOR AUTOMATIC CLOSED LOOP DRILLING SYSTEM
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST.
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16740 HARDY ST. |
HOUSTON, TEXAS 77205 |
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MICHAEL F. HEIM |
CONLEY, ROSE & TAYON |
P.O. BOX 3267 |
HOUSTON, TX 77253-3267 |
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Assignment:
2
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ASSIGNMENT OF ASSIGNORS INTEREST.
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C/O PRENTICE-HALL CORPORATION SYSTEM, INC. |
32 LOCKERMAN SQUARE, SUITE L-100 |
DOVER, DELAWARE 19901 |
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ROBERT M. VARGO |
16740 HARDY |
P.O. BOX 60068 |
HOUSTON, TX 77205-0068 |
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Assignment:
3
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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HALLIBURTON SERVICES |
P.O. BOX 1431 |
DUNCAN, OKLAHOMA 73536 |
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JAMES R. DUZAN |
HALLIBURTON SERVICES |
P.O. BOX 1431 |
DUNCAN, OK 73536 |
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Assignment:
4
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1000 LOUISIANA STREET |
HOUSTON, TEXAS 77002 |
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MAYER, BROWN & PLATT |
ROBERT E. RUDE II |
1909 K STREET, N.W. |
WASHINGTON, D.C. 20006 |
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Assignment:
5
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RELEASE BY SECURED PARTY (SEE DOCUMENT FOR DETAILS).
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15151 SOMMERMEYER ST. |
HOUSTON, TEXAS 77041 |
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SMITH INTERNATIONAL, INC. |
16740 HARDY ST. |
PATENT SERVICES |
HOUSTON, TX 77032 |
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