Friedhelm Stahlschmidt

Person

  • Sprockhovel, DE

Patents Grantslast 30 patents

  • Information Patent Grant

    Piston blank for a forged piston

    • Patent number 4,910,093
    • Issue date Mar 20, 1990
    • Berchem & Schaberg GmbH
    • Rutger Berchem
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...