Ronald L. Calvert

Person

  • Ontario, CA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Grill cleaning tool

    • Patent number 4,668,302
    • Issue date May 26, 1987
    • Francis J. Kolodziej
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...