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Rotational mold with valved charge box
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Patent number 4,722,678
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Issue date Feb 2, 1988
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Ex-Cell-O Corporation
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John M. Wersosky
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Mold loading method and apparatus
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Patent number 4,664,864
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Issue date May 12, 1987
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Ex-Cell-O Corporation
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John M. Wersosky
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Multiple zone heating of molds
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Patent number 4,621,995
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Issue date Nov 11, 1986
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Ex-Cell-O Corporation
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John M. Wersosky
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Deaerator assembly
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Patent number 4,338,100
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Issue date Jul 6, 1982
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Ex-Cell-O Corporation
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John M. Wersosky
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL