PN

Paulo M. Negrao

📍 São Paulo, BR: #656 of 1,773 inventorsTop 40%
Overall (All Time): #4,125,680 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4239091 Muffler 1980-12-16