EL

Erkki Lappi

PO Polar Electro Oy: 1 patents #82 of 158Top 55%
Overall (All Time): #2,241,835 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6114832 Charging method and charging arrangement Vesa-Pekka Torvinen, Ilkka Heikkila, Arto Pietila 2000-09-05
4959933 Cabin unit arrangement 1990-10-02