JK

Jouko Karkkainen

OA Oy Wartsila Ab: 2 patents #23 of 132Top 20%
📍 Kronoby, FI: #6 of 25 inventorsTop 25%
Overall (All Time): #2,352,693 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4509719 Valve cover sealing Vilho Uomala, Kjell Sandstrom 1985-04-09
4317573 Valve spindle sealing arrangement — 1982-03-02