Ralph A. Gustafson

Person

  • Norton, MA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Longitudinal rail profilometer

    • Patent number 4,288,926
    • Issue date Sep 15, 1981
    • The United States of America as represented by the Secretary of Transportation
    • Lennart E. Long
    • G01 - MEASURING TESTING