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William Collom
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Alburtis, PA, US
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last 30 patents
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Patent Grant
Process and apparatus for rapid pre-expension and molding of expand...
Patent number
5,271,886
Issue date
Dec 21, 1993
Arco Chemical Technology, L.P.
William Collom
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL