Patent Assignment Abstract of Title
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Total Assignments:
9
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Patent #:
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Issue Dt:
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01/02/2001
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Application #:
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09282950
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Filing Dt:
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04/01/1999
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Inventor:
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ROY ESTES
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Title:
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ONE CONE ROTARY DRILL BIT FEATURING ENHANCED GROOVES
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| P.O. BOX 40540 |
| FORT WORTH, TEXAS 76140 |
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| GUNN & ASSOCIATES |
| DONALD GUNN |
| FIVE GREENWAY PLAZA, STE. 2900 |
| HOUSTON, TX 77046 |
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Assignment:
2
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CORRECTIVE ASSIGNMENT TO CORRECT THE ASSIGNEE NAME PREVIOUSLY RECORDED AT REEL: 010037 FRAME: 0180. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT.
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| 7601 WILL ROGERS BLVD. |
| FORT WORTH, TEXAS 76140-6023 |
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| POLIN CHIEU |
| WINSTEAD PC |
| P.O. BOX 131851 |
| DALLAS, TX 75313 |
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Assignment:
3
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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:
4
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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:
5
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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:
6
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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:
7
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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 COOKE, ESQ. ANDREWS KURTH LLP |
| 600 TRAVIS, SUITE 4200 |
| HOUSTON, TX 77002 |
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Assignment:
8
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RE-RECORD TO CORRECT PATENT NO. PREVIOUSLY RECORDED ON R/F 026328/0975.
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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, TEXAS 77002 |
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Assignment:
9
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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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