Robert J. Johnson

Person

  • Hudson, WI, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Reusable security enclosure

    • Patent number 5,360,270
    • Issue date Nov 1, 1994
    • Minnesota Mining and Manufacturing Company
    • Roger H. Appeldorn
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL