PC

Pietro L. Canavesi

📍 Sementina, CH: #1 of 2 inventorsTop 50%
Overall (All Time): #4,001,467 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4610120 Seal against penetration of water into masonry Peter Zwicky 1986-09-09