Patent Assignment Abstract of Title
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Total Assignments:
2
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Patent #:
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Issue Dt:
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09/10/2002
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Application #:
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09660822
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Filing Dt:
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09/13/2000
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Inventors:
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Peter Fontana, Marcus Oesterberg
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Title:
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APPARATUS AND METHOD FOR ROTATING A PORTION OF A DRILL STRING
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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4 GREENWAY PLAZA, 10TH FLOOR |
HOUSTON, TEXAS 77046 |
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MADAN, MOSSMAN & SRIRAM, P.C. |
STEVEN G. MORGAN |
2603 AUGUSTA, SUITE 700 |
HOUSTON, TX 77057 |
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Assignment:
2
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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3900 ESSEX LANE, 12TH FLOOR |
HOUSTON, TEXAS 77027 |
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TIMOTHY M. DONOUGHUE |
PO BOX 4740 |
HOUSTON, TX 77210-4740 |
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