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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01/27/2004
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Application #:
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10040927
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Filing Dt:
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10/26/2001
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Publication #:
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Pub Dt:
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09/12/2002
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Inventors:
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Roger L. Schultz, Orlando De Jesus, Andrew J. Osborne JR.
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Title:
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SPECTRAL POWER RATIO METHOD AND SYSTEM FOR DETECTING DRILL BIT FAILURE AND SIGNALING SURFACE OPERATOR
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| 10200 BELLAIRE BLVD. |
| HOUSTON, TEXAS 77072 |
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| ROBERT GROOVER |
| 17000 PRESTON RD., #230 |
| DALLAS, TEXAS 75248 |
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