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Transport neck ring
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Patent number 4,575,331
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Issue date Mar 11, 1986
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Hoover Universal, Inc.
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Dennis L. Dundas
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Split injection mold
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Patent number 4,435,147
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Issue date Mar 6, 1984
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Hoover Universal, Inc.
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William H. Myers
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL