JF

Johan Frei

📍 Jona, CH: #70 of 146 inventorsTop 50%
Overall (All Time): #3,046,536 of 4,157,543Top 75%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9000118 Polyurethane foam Henri Mispreuve, Reinold Naescher, Kurt Schoenenberger, Erik Vogel, Zacharias Grote 2015-04-07