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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12/28/1999
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Application #:
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08925284
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Filing Dt:
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09/08/1997
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Inventors:
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ROLAND ILLERHAUS, CHRISTOPHER C. BEUERSHAUSEN, MARK W. DYKSTRA, JAMES A. NORRIS et al
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Title:
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ROTARY DRILL BITS FOR DIRECTIONAL DRILLING EMPLOYING TANDEM GAGE PAD ARRANGEMENT WITH REAMING CAPABILITY
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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, SUITE 1200 |
HOUSTON, TEXAS 77027 |
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TRASK, BRITT & ROSSA |
JOSEPH A. WALKOWSKI |
P.O. BOX 2550 |
SALT LAKE CITY, UTAH 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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Assignment:
5
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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, UTAH 84110-2550 |
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