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In-line rotational casting apparatus
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Patent number 4,436,500
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Issue date Mar 13, 1984
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Wheaton Industries
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Fred E. Allen
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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3408429
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Patent number 3,408,429
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Issue date Oct 29, 1968
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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2923032
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Patent number 2,923,032
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Issue date Feb 2, 1960
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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2817116
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Patent number 2,817,116
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Issue date Dec 24, 1957
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL