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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03/04/2014
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Application #:
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13007401
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Filing Dt:
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01/14/2011
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Publication #:
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Pub Dt:
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07/19/2012
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Inventors:
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PAUL DAVID RINGGENBERG, CHARLES FREDERICK CARDER
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Title:
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ROTATIONAL TEST VALVE WITH TENSION RESET
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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10200 BELLAIRE BOULEVARD |
HOUSTON, TEXAS 77072 |
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HALLIBURTON ENERGY SERVICES, INC. |
2601 BELTLINE ROAD |
1-B-121 |
CARROLLTON, TX 75006 |
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