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DONALD LEAVITT

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  • WRENTHAM, MA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Extendible barricade
    • Patent number 10,422,181
    • Issue date Sep 24, 2019
    • Donald Leavitt
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Extendible barricade
    • Patent number 9,759,011
    • Issue date Sep 12, 2017
    • Donald Leavitt
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS

Patents Applicationslast 30 patents

  • Information Patent Application

    EXTENDIBLE BARRICADE
    • Publication number 20170335623
    • Publication date Nov 23, 2017
    • DONALD LEAVITT
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    EXTENDIBLE BARRICADE
    • Publication number 20160060956
    • Publication date Mar 3, 2016
    • DONALD LEAVITT
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS