PR

Pentti P. Ronkainen

OA Oy Alko Ab: 2 patents #1 of 22Top 5%
Overall (All Time): #2,364,393 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4415659 Method for mashing starch-rich material for alcohol production Olavi A. Leppanen, Kai Harju, Pertti J. Erapolku 1983-11-15
4207276 Easily maintained bubble-cap column for the distillation of clogging and high-sediment liquids Olavi A. Leppanen, Kyosti T. Vento, Heimo K. Pesonen 1980-06-10