Patent Assignment Abstract of Title
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Total Assignments:
4
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Patent #:
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Issue Dt:
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09/05/2000
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Application #:
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08924935
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Filing Dt:
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09/08/1997
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Inventors:
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JOHN R. SPAAR, JAMES A. NORRIS, CHRISTOPHER C. BEUERSHAUSEN, RUDOLF C. O. PESSIER et al
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Title:
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ROTARY DRILL BITS EMPLOYING TANDEM GAGE PAD ARRANGEMENT
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| 3900 ESSEX LANE, SUITE 1200 |
| HOUSTON, TEXAS 77027 |
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| TRASK, BRITT & ROSSA |
| JOSEPH A. WALKOWSKI |
| P.O. BOX 2550 |
| SALT LAKE CITY, UT 84110-2550 |
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Assignment:
2
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| 3900 ESSEX LANE, STE. 1200 |
| HOUSTON, TEXAS 77027 |
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| TRASK, BRITT & ROSSA |
| JOSEPH A. WALKOWSKI |
| P.O. BOX 2550 |
| SALT LAKE CITY, UT 84110-2550 |
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Assignment:
3
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| 3900 ESSEX LANE, SUITE 1200 |
| HOUSTON, TEXAS 77027 |
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| TRASK, BRITT & ROSSA |
| JOSEPH A. WALKOWSKI |
| P.O. BOX 2550 |
| SALT LAKE CITY, UT 84110-2550 |
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Assignment:
4
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| 3900 ESSEX LANE, SUITE 1200 |
| HOUSTON, TEXAS 77027 |
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| TRASK, BRITT & ROSSA |
| JOSEPH A. WALKOWSKI |
| P.O. BOX 2550 |
| SALT LAKE CITY, UT 84110-2550 |
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