PP

Pentti Pirinen

UO Upm-Kymmene Oyj: 1 patents #21 of 54Top 40%
📍 Valkeakoski, FI: #25 of 66 inventorsTop 40%
Overall (All Time): #2,256,076 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6007653 Manufacturing method and nonwoven material Tapio Niemi 1999-12-28
5269049 Process and apparatus for dry forming of a material web from a long-fiber material Helmer Gustafsson 1993-12-14