Berkel & Parnall Limited

Organization

  • Enfield, GB

Patents Grantslast 30 patents

  • Information Patent Grant

    Involute knife sharpener

    • Patent number 4,306,385
    • Issue date Dec 22, 1981
    • Berkel & Parnall Limited
    • Walter T. Burton
    • B24 - GRINDING POLISHING