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John F. Stroup

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  • Cuyahoga Falls, OH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Apparatus for molding hollow plastic articles
    • Patent number 4,470,796
    • Issue date Sep 11, 1984
    • Van Dorn Company
    • John F. Stroup
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Method for molding hollow plastic articles
    • Patent number 4,372,910
    • Issue date Feb 8, 1983
    • Van Dorn Company
    • John F. Stroup
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Tonnage indicator for toggle press
    • Patent number 4,297,901
    • Issue date Nov 3, 1981
    • Van Dorn Company
    • John F. Stroup
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL