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Roy E. Shaffer

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  • Louisville, KY, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Reusable closure device
    • Patent number 5,517,729
    • Issue date May 21, 1996
    • Roy E. Shaffer
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Lid remover
    • Patent number 4,889,018
    • Issue date Dec 26, 1989
    • Roy E. Shaffer
    • B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...