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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12/11/2001
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Application #:
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09481590
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Filing Dt:
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01/12/2000
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Inventors:
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RONALD WILLIAMS, MICHAEL S. RAWSON
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Title:
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TORSION SPRING CONNECTIONS FOR DOWNHOLE FLAPPER
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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3900 ESSEX LANE |
HOUSTON, TEXAS 77027 |
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DUANE, MORRIS & HECKSCHER LLP |
RICHARD T. REDANO |
ONE GREENWAY PLAZA, SUITE 500 |
HOUSTON, TX 77046 |
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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 |
HOUSTON, TEXAS 77027 |
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DUANE, MORRIS & HECKSHER LLP |
RICHARD T. REDANO |
ONE GREENWAY PLAZA, SUITE 500 |
HOUSTON, TX 77046 |
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