Patent Assignment Abstract of Title
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Total Assignments:
1
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Patent #:
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Issue Dt:
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06/03/2003
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Application #:
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09846944
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Filing Dt:
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05/01/2001
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Publication #:
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Pub Dt:
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03/14/2002
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Inventors:
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Anthony Griffo, Zhigang Fang, Robert Denton
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Title:
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ROTARY CONE BIT WITH FUNCTIONALLY-ENGINEERED COMPOSITE INSERTS
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| 16740 HARDY STREET |
| HOUSTON, TEXAS 77032 |
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| CHRISTIE, PARKER & HALE, LLP |
| GRANT T. LANGTON |
| P.O. BOX 7068 |
| PASADENA, CA 91109-7068 |
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