NH

Nils H. Hakulin

OO Outokumpu Oyj: 1 patents #162 of 428Top 40%
Overall (All Time): #3,870,571 of 4,157,543Top 95%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4995051 Smelting furnace and method for feeding material to be processed therein Risto M. Heikkila, Matti E. Honkaniemi, Helge Krogerus, Launo L. Lilja 1991-02-19