John B. Ferrero

Person

  • Agawam, MA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Workpiece forming machine

    • Patent number 4,175,417
    • Issue date Nov 27, 1979
    • Leo H. Vergnani
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...