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Heikki Prokkola

PO Polar Electro Oy: 1 patents #82 of 158Top 55%
📍 Kempele, FI: #139 of 222 inventorsTop 65%
Overall (All Time): #3,301,999 of 4,157,543Top 80%
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7792648 System for determining pedalling effort of bicycle Kalevi Kalliomaki, Jorma Honkala, Mika Niemimaki 2010-09-07