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Walter H. Harris

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  • Honor, MI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Plastic bucket air vent and method
    • Patent number 6,003,715
    • Issue date Dec 21, 1999
    • Walter H. Harris
    • B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...