RF

Richard M. Friedmar

📍 Toledo, OH: #791 of 1,470 inventorsTop 55%
🗺 Ohio: #42,657 of 73,341 inventorsTop 60%
Overall (All Time): #3,894,010 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4893540 Display apparatus for visually impaired persons — 1990-01-16