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Ronald M. Clark

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  • Addison, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Multi-purpose container opening tool
    • Patent number 5,069,090
    • Issue date Dec 3, 1991
    • Ronald M. Clark
    • B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
  • Information Patent Grant

    Hand trowel
    • Patent number 4,884,312
    • Issue date Dec 5, 1989
    • Ronald M. Clark
    • E04 - BUILDING
  • Information Patent Grant

    Multi-size grout striking tool
    • Patent number 4,698,870
    • Issue date Oct 13, 1987
    • Ronald M. Clark
    • E04 - BUILDING
  • Information Patent Grant

    Spatula type hand tool
    • Patent number 4,536,910
    • Issue date Aug 27, 1985
    • Ronald M. Clark
    • B44 - DECORATIVE ARTS
  • Information Patent Grant

    Trowel
    • Patent number 4,316,302
    • Issue date Feb 23, 1982
    • Ronald M. Clark
    • E04 - BUILDING