MH

Matti Happonen

Google: 1 patents #14,769 of 22,993Top 65%
Overall (All Time): #3,042,042 of 4,157,543Top 75%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8974640 Feed section of a separation column Esa Tamminen, Simo Jortikka, Martti Ruskoaho 2015-03-10