PH

Pentti Heijola

OA Oy Wartsila Ab: 1 patents #53 of 132Top 45%
Overall (All Time): #4,047,574 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4369853 Air-cushion vehicle Fredrik K. Burmeister 1983-01-25