OV

Olavi Vaananen

📍 Helsinki, FI: #2,126 of 3,940 inventorsTop 55%
Overall (All Time): #3,989,733 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4567920 Force method of and apparatus for trickling siloed material from a silo — 1986-02-04