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Scrapless forming of plastic articles
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Patent number 4,352,766
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Issue date Oct 5, 1982
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The Dow Chemical Co.
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Norbert L. Bradley
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Process for forming a plastic article
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Patent number 4,323,531
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Issue date Apr 6, 1982
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The Dow Chemical Company
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Norbert L. Bradley
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Injection mold
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Patent number 4,083,568
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Issue date Apr 11, 1978
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The Dow Chemical Company
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Eckel R. Lane
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Scrapless forming of plastic articles
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Patent number 4,005,967
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Issue date Feb 1, 1977
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The Dow Chemical Company
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Ralph E. Ayres
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Scrapless forming of plastic articles
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Patent number 3,947,204
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Issue date Mar 30, 1976
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The Dow Chemical Company
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Ralph E. Ayres
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL