PK

Pertti Kokkonen

📍 Kempele, FI: #139 of 222 inventorsTop 65%
Overall (All Time): #3,867,806 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4985081 Method of producing cement or concrete Heikki Ahonen, Timo Kenakkala 1991-01-15