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Dennis L. Marshall

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  • Wauwatosa, WI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Inverted closures for beverage containers
    • Patent number 5,147,057
    • Issue date Sep 15, 1992
    • Hoover Universal, Inc.
    • Dennis L. Marshall
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Plastic container with reinforcing ring in the base
    • Patent number 4,955,491
    • Issue date Sep 11, 1990
    • Hoover Universal, Inc.
    • Dennis L. Marshall
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Plastic container with ring stabilized base
    • Patent number 4,919,284
    • Issue date Apr 24, 1990
    • Hoover Universal, Inc.
    • William H. Tiedemann
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL