Nicholas J. Konrad

Person

  • Atalissa, IA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Two-tube continuous sand muller

    • Patent number 4,322,168
    • Issue date Mar 30, 1982
    • Carver Foundry Products
    • Rodney L. Hartung
    • B28 - WORKING CEMENT, CLAY, OR STONE