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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09/24/2002
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Application #:
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09754434
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Filing Dt:
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01/04/2001
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Publication #:
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Pub Dt:
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07/04/2002
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Inventor:
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Stephen M. Evans
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Title:
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WEAR RESISTANT DRILL BIT
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| CRAIGMUIR CHAMBERS |
| PO BOX 71 |
| ROAD TOWN TORTOLA, VIRGIN ISLANDS, BRITISH |
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| SCHLUMBERGER OILFIELD SERVICES |
| JEFFREY E. DALY |
| 7211 NORTH GESSNER |
| HOUSTON, TX 77040 |
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Assignment:
2
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| OLDENDS INDUSTRIAL ESTATE, STONEHOUSE |
| GLOUCESTERSHIRE, UNITED KINGDOM GL10 |
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| SCHLUMBERGER OILFIELD SERVICES |
| JEFFERY E. DALY |
| 7211 NORTH GESSNER |
| HOUSTON, TX 77040 |
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Assignment:
3
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GRANT OF PATENT (SECURITY AGREEMENT)
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| 31 WEST 52ND STREET |
| NEW YORK, NEW YORK 10019 |
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| O'MELVENY & MYERS LLP |
| GINA DURHAM |
| 400 SOUTH HOPE STREET |
| LOS ANGELES, CA 90071 |
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Assignment:
4
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RELEASE OF GRANT OF PATENT SECURITY AGREEMENT
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| 400 N. SAM HOUSTON PKWY E, #900 |
| HOUSTON, TEXAS 77060 |
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| CONSTANCE GALL RHEBERGEN |
| P.O. BOX 61389 |
| HOUSTON, TX 77208-1389 |
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