Jan O. Kristiansen

Person

  • Olmsted Falls, OH, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Metallurgical pouring vessels

    • Patent number 4,286,773
    • Issue date Sep 1, 1981
    • Foseco Trading A.G.
    • Jan O. Kristiansen
    • B22 - CASTING POWDER METALLURGY