David Elling

Person

  • Centereach, NY, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Electrically conductive polymer concrete coatings

    • Patent number 4,908,157
    • Issue date Mar 13, 1990
    • The United States of America as represented by the Department of Energy
    • Jack J. Fontana
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES