FB

Fredrik K. Burmeister

OA Oy Wartsila Ab: 1 patents #53 of 132Top 45%
📍 Helsinki, FI: #1,108 of 3,940 inventorsTop 30%
Overall (All Time): #1,673,795 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4762377 Mattress construction for pneumatic mattress track system 1988-08-09
4715668 Pneumatic mattress track system for vehicles 1987-12-29
4369853 Air-cushion vehicle Pentti Heijola 1983-01-25