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Vesa Kumpulainen

Overall (All Time): #2,283,621 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5405506 Apparatus and method for feeding raw material into an aluminum producing electrolysis — 1995-04-11
5378326 Feeding method and device for aluminum electrolysis — 1995-01-03