RF

Richard Friedenberg

📍 Spring Valley, NY: #83 of 198 inventorsTop 45%
🗺 New York: #48,759 of 115,490 inventorsTop 45%
Overall (All Time): #2,328,258 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D299581 Heel cushion — 1989-01-31
4182084 Blade sharpener — 1980-01-08