UH

Urho Hämälainen

📍 Helsinki, FI: #2,126 of 3,940 inventorsTop 55%
Overall (All Time): #2,851,770 of 4,157,543Top 70%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10258815 Collapsible cooking oil fire extinguishing device Hannu Reiman 2019-04-16