TREA

Max Frei

Follow

Person

  • Schonenwerd, CH
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Coil spring making machine
    • Patent number 4,779,438
    • Issue date Oct 25, 1988
    • Schenker Maschinen AG
    • Max Frei
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Spring coiling machine
    • Patent number 4,509,352
    • Issue date Apr 9, 1985
    • Schenker Maschinen AG
    • Max Frei
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Grinding machine
    • Patent number 4,217,734
    • Issue date Aug 19, 1980
    • Schenker Maschinen AG
    • Max Frei
    • B24 - GRINDING POLISHING