Patent Assignment Abstract of Title
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Total Assignments:
6
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Patent #:
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Issue Dt:
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03/30/1993
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Application #:
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07704056
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Filing Dt:
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05/22/1991
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Inventor:
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ROY D. ESTES
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Title:
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ROCK BIT WITH VECTORED INSERTS
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST.
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| A CORPORATION OF TEXAS |
| 7601 WILL ROGERS BOULEVARD |
| FORT WORTH, TEXAS 76140 |
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| STEPHEN H. CAGLE |
| ARNOLD, WHITE & DURKEE |
| P. O. BOX 4433 |
| HOUSTON, TX 77210 |
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Assignment:
2
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| 2121 SAN JACINTO |
| SUITE 1850 |
| DALLAS, TEXAS 75201 |
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| DARREN W. COLLINS |
| 2001 ROSS AVENUE |
| SUITE 3000; PATTON BOGGS, LLP |
| DALLAS, TX 75201 |
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Assignment:
3
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| 120 LONG RIDGE RD |
| STAMFORD, CONNECTICUT 06927 |
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| KATHLEEN E. CAULFIELD |
| 2020 K ST. NW |
| WASHINGTON, DC 20006 |
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Assignment:
4
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| 7601 WILL ROGERS BOULEVARD |
| FORT WORTH, TEXAS 76140 |
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| ROBERT C. SHADDOX |
| WINSTEAD PC |
| P.O. BOX 50784 |
| DALLAS, TX 75201 |
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Assignment:
5
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RELEASE BY SECURED PARTY (SEE DOCUMENT FOR DETAILS).
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| 420 THROCKMORTON, SUITE 1110 |
| FORT WORTH, TEXAS 76102 |
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| BRETT T. COOKE, ESQ./ANDREWS KURTH LLP |
| 600 TRAVIS, SUITE 4200 |
| HOUSTON, TX 77002 |
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Assignment:
6
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RELEASE BY SECURED PARTY (SEE DOCUMENT FOR DETAILS).
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| 420 THROCKMORTON STREET |
| SUITE 1110 |
| FORT WORTH, TEXAS 76102 |
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| 7010-45 STREET |
| LEDUC, ALBERTA, CANADA T9E 7E7 |
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| SOLYN J. LEE |
| JONES DAY |
| 222 EAST 41 STREET |
| NEW YORK, NY 10017 |
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