RW

Robert Walther

RA R. Berchtold Ag: 1 patents #2 of 2Top 100%
📍 Zollikofen, CH: #44 of 87 inventorsTop 55%
Overall (All Time): #4,090,467 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4270372 Key and lock system Benno Vonlanthen 1981-06-02