GP

Georges Petignat

📍 Alle, CH: #4 of 5 inventorsTop 80%
Overall (All Time): #3,899,535 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4913603 Spiral drill Paul Friedli, Jean-Marc Salomon 1990-04-03