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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08/20/2002
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Application #:
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09690767
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Filing Dt:
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10/17/2000
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Inventors:
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Clark E. Robison, Paul D. Ringgenberg
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Title:
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ANNULAR FLOW SAFETY VALVE AND METHODS
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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LEGAL, INTELLECTUAL PROPERTY DEPARTMENT |
P.O.BOX 819052 |
DALLAS, TEXAS 75381 |
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LEGAL, INTELLECTUAL PROPERTY DEPARTMENT |
WILLIAM M. IMWALLE |
HALLIBURTON ENERGY SERVICES, INC. |
MAIL CODE 1-B-121 P.O.BOX 819052 |
DALLAS TEXAS 75381 |
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