Patent Assignment Abstract of Title
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Total Assignments:
3
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Patent #:
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Issue Dt:
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12/18/2001
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Application #:
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09537551
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Filing Dt:
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03/30/2000
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Inventor:
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David R. Hall
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Title:
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Superhard drill bit heel, gage, and cutting elements with reinforced periphery
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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400 N. SAM HOUSTON PARKWAY EAST |
SUITE 900 |
HOUSTON, TEXAS 77060 |
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JEFFREY E. DALY |
GRANT PRIDECO, L.P. |
400 N. SAM HOUSTON PARKWAY E. |
SUITE 900 |
HOUSTON, TX 77060 |
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Assignment:
2
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1000 LOUISIANA ST., 3RD FLOOR |
MAIL CODE MAC T5002-031 |
HOUSTON, TEXAS 77002 |
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CONSTANCE GALL RHEBERGEN |
P.O. BOX 61389 |
HOUSTON, TX 77208-1389 |
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Assignment:
3
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RELEASE OF PATENT SECURITY AGREEMENT
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400 N. SAM HOUSTON PARKWAY EAST |
SUITE 900 |
HOUSTON, TEXAS 77060 |
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JAN K. SIMPSON |
FULBRIGHT & JAWORSKI L.L.P. |
FULBRIGHT TOWER |
1301 MCKINNEY, SUITE 5100 |
HOUSTON, TX 77010-3095 |
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