RH

Richard Hirschhorn

📍 Harrison, NY: #42 of 108 inventorsTop 40%
🗺 New York: #48,759 of 115,490 inventorsTop 45%
Overall (All Time): #2,187,771 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6695525 Metal curb installation system and method 2004-02-24
4899504 Bolted steel staircase 1990-02-13