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Round edge former
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Patent number 4,478,664
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Issue date Oct 23, 1984
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Evans Rotork, Inc.
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Gilbert N. Elias
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Round edge former
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Patent number 4,406,729
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Issue date Sep 27, 1983
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Evans Rotork, Inc.
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Gilbert N. Elias
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL