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HYDRANT GUARD LLC

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  • LOS ANGELES, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Break-away check valve
    • Patent number 11,767,923
    • Issue date Sep 26, 2023
    • HYDRANT GUARD LLC
    • Melvin D. Plummer
    • E03 - WATER SUPPLY SEWERAGE