AK

Alpo Karkkainen

OA Oy Wartsila Ab: 1 patents #53 of 132Top 45%
📍 Kaarina, FI: #40 of 95 inventorsTop 45%
Overall (All Time): #2,367,037 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4336700 Cylinder lock Arne Baltscheffsky 1982-06-29
4261127 Safety lock for firearms 1981-04-14