Hans J. Seipel

Person

  • Boardman, OH, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Envelope making machine

    • Patent number 3,998,137
    • Issue date Dec 21, 1976
    • American Paper Products Company
    • Hans J. Seipel
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL