ER

Erkki Rautiainen

📍 Helsinki, FI: #2,126 of 3,940 inventorsTop 55%
Overall (All Time): #4,124,269 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4235128 Planetary gear provided with friction planet wheels Seppo Kanervo 1980-11-25