OH

Osmo Holopainen

AA A. Ahlstrom: 1 patents #75 of 166Top 50%
📍 Timola, FI: #1 of 2 inventorsTop 50%
Overall (All Time): #3,954,292 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4753019 Apparatus for drying and heating material in a rotary kiln — 1988-06-28