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Apparatus for making composite sheet
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Patent number 6,425,430
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Issue date Jul 30, 2002
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E. I. Du Pont de Nemours and Company
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Robert Roch Ward
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Process for making composite sheet
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Patent number 6,179,946
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Issue date Jan 30, 2001
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E. I. Du Pont de Nemours and Company
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Robert Roch Ward
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Vortexing liquid container
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Patent number 5,009,942
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Issue date Apr 23, 1991
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E. I. Du Pont de Nemours and Company
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Joshua Benin
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Lid structure
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Patent number 4,935,274
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Issue date Jun 19, 1990
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E. I. Du Pont de Nemours and Company
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John A. DeBenedictis
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Automatic vortex mixer
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Patent number 4,848,917
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Issue date Jul 18, 1989
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E. I. Du Pont de Nemours and Company
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Joshua Benin
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Automatic splicing device and process
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Patent number 4,521,263
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Issue date Jun 4, 1985
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E. I. Du Pont de Nemours and Company
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Joshua Benin
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Manually operated bobbin chuck
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Patent number 4,241,883
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Issue date Dec 30, 1980
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E. I. Du Pont de Nemours and Company
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Joshua Benin
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Bobbin chuck
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Patent number 4,232,835
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Issue date Nov 11, 1980
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E. I. Du Pont de Nemours and Company
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Joshua Benin
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL