FW

Friedrich Witschi

📍 Büren an der Aare, CH: #2 of 3 inventorsTop 70%
Overall (All Time): #3,709,683 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5600996 Method and apparatus for testing the tightness of housings 1997-02-11