LL

Launo Laakkonen

📍 Helsinki, FI: #2,126 of 3,940 inventorsTop 55%
Overall (All Time): #4,100,835 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D261925 Over-pressure valve for ventilation — 1981-11-17