Hermann Schreier

Person

  • Lenzburg, CH

Patents Grantslast 30 patents

  • Information Patent Grant

    Interchangeable volumetric screw feeder

    • Patent number 4,275,808
    • Issue date Jun 30, 1981
    • K-Tron International Inc.
    • Kenneth W. Bullivant
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL