John W. Frank

Person

  • Washington, MN, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Glue crayons

    • Patent number 5,604,268
    • Issue date Feb 18, 1997
    • Minnesota Mining and Manufacturing Company
    • Neil A. Randen
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...