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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03/24/2009
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Application #:
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11334195
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Filing Dt:
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01/18/2006
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Publication #:
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Pub Dt:
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07/19/2007
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Inventors:
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John E. Campbell, Charles H. Dewey, Lance D. Underwood, Ronald G. Schmidt
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Title:
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DRILLING AND HOLE ENLARGEMENT DEVICE
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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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| OSHA LIANG L.L.P. |
| 1221 MCKINNEY STREET |
| SUITE 2800 |
| HOUSTON, TX 77010 |
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