VH

Vesa-Matti Happonen

Google: 1 patents #14,769 of 22,993Top 65%
Overall (All Time): #3,835,727 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5254784 Method for recovering a gaseous boron trifluoride bf.sub.3 and the usage of the product formed in the method Matti Nurminen, Fredrik Nissfolk, Raimo Linnaila 1993-10-19