RM

Ralph S. Marcus

📍 Columbus, OH: #2,196 of 3,880 inventorsTop 60%
🗺 Ohio: #42,657 of 73,341 inventorsTop 60%
Overall (All Time): #3,993,666 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4581853 Apparatus for internal finishing of metal parts — 1986-04-15