HH

Heikki Hellemaa

OA Oy Wartsila Ab: 2 patents #23 of 132Top 20%
RN Rederiaktiebolaget Nordstjernan: 1 patents #4 of 12Top 35%
📍 Vaasa, FI: #66 of 260 inventorsTop 30%
Overall (All Time): #2,363,027 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4393832 Braking diesel engines Olof Samuel 1983-07-19
4324212 Compressed air starter Olof Samuel 1982-04-13