JG

John C. Graveno

📍 Euclid, OH: #191 of 312 inventorsTop 65%
🗺 Ohio: #42,657 of 73,341 inventorsTop 60%
Overall (All Time): #4,105,015 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4185328 Sight and vision protection for arc welding helmet — 1980-01-29