Paul R. Hansen

Person

  • Kildeer, IL, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Vacuum-indicating closure

    • Patent number 4,957,211
    • Issue date Sep 18, 1990
    • American National Can Company
    • Len Ekkert
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL