Norman D. MacKenzie

Person

  • Alden, NY, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Energy absorbing system

    • Patent number 8,118,516
    • Issue date Feb 21, 2012
    • Smith & Wesson Security Solutions, Inc.
    • Matthew A. Gelfand
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Energy absorbing system

    • Patent number 7,785,031
    • Issue date Aug 31, 2010
    • Universal Safety Response, Inc.
    • Joseph Vellozzi
    • B61 - RAILWAYS
  • Information Patent Grant

    Energy absorbing system

    • Patent number 6,843,613
    • Issue date Jan 18, 2005
    • Universal Safety Response, Inc.
    • Matthew A. Gelfand
    • B61 - RAILWAYS

Patents Applicationslast 30 patents

  • Information Patent Application

    ENERGY ABSORBING SYSTEM

    • Publication number 20100275515
    • Publication date Nov 4, 2010
    • Matthew A. Gelfand
    • B61 - RAILWAYS
  • Information Patent Application

    Energy absorbing system

    • Publication number 20060002760
    • Publication date Jan 5, 2006
    • Joseph Vellozzi
    • B61 - RAILWAYS
  • Information Patent Application

    ENERGY ABSORBING SYSTEM

    • Publication number 20040228683
    • Publication date Nov 18, 2004
    • Matthew A. Gelfand
    • B61 - RAILWAYS
  • Information Patent Application

    Energy absorbing system

    • Publication number 20040156677
    • Publication date Aug 12, 2004
    • Matthew A. Gelfand
    • B61 - RAILWAYS
  • Information Patent Application

    Energy absorbing system

    • Publication number 20030016996
    • Publication date Jan 23, 2003
    • Matthew A. Gelfand
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES