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Richard D. Walston

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  • Guilford, CT, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Stair system
    • Patent number 9,422,726
    • Issue date Aug 23, 2016
    • BECKM, LLC
    • Richard D. Walston
    • E04 - BUILDING
  • Information Patent Grant

    Staircase preform with wood trim
    • Patent number 5,309,687
    • Issue date May 10, 1994
    • Richard Walston
    • E04 - BUILDING

Patents Applicationslast 30 patents

  • Information Patent Application

    Stair System
    • Publication number 20130239496
    • Publication date Sep 19, 2013
    • BECKM, LLC
    • Richard D. Walston
    • E04 - BUILDING