UH

Urho Hämälainen

📍 Helsinki, FI: #137 of 513 inventorsTop 30%
Overall (2019): #558,630 of 560,194Top 100%
1
Patents 2019

Issued Patents 2019

Showing 1–1 of 1 patents

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