Horst Zirnsak

Person

  • Hamm, DE

Patents Grantslast 30 patents

  • Information Patent Grant

    Method for the manufacture of a gear part

    • Patent number 5,927,121
    • Issue date Jul 27, 1999
    • Leico GmbH & Co. Werkzeugmaschinenbau
    • Bernhard Rolf
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...