Ole Johan Sorheim

Person

  • Torjulvagen, NO

Patents Grantslast 30 patents

  • Information Patent Grant

    Sealing device for an extruder

    • Patent number 5,461,899
    • Issue date Oct 31, 1995
    • Norsk Hydro a.s
    • Ole Johan Sorheim
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...