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Drew Hoffman

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  • Portland, OR, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Faucet hand sterilizer
    • Patent number 12,152,377
    • Issue date Nov 26, 2024
    • Andrew Hoffman
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Modular contact switch
    • Patent number 6,797,900
    • Issue date Sep 28, 2004
    • Drew Hoffman
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Door opener assist device
    • Patent number 6,711,856
    • Issue date Mar 30, 2004
    • Drew Hoffman
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents

  • Information Patent Application

    DOOR OPENER ASSIST DEVICE
    • Publication number 20040055221
    • Publication date Mar 25, 2004
    • Drew Hoffman
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    MODULAR CONTACT SWITCH
    • Publication number 20040055858
    • Publication date Mar 25, 2004
    • Drew Hoffman
    • H01 - BASIC ELECTRIC ELEMENTS