JS

Jari Siitonen

AH Ahlstrom: 1 patents #20 of 70Top 30%
Overall (All Time): #3,870,913 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4995991 Method and apparatus for improving the operation of a disc filter Risto Ljokkoi, Tapani Niiranen, Pekka Purho, Erkki Savolainen 1991-02-26