DB

David S. Bergstein

📍 Pound Ridge, NY: #23 of 77 inventorsTop 30%
🗺 New York: #48,759 of 115,490 inventorsTop 45%
Overall (All Time): #2,283,009 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5580108 Door security device — 1996-12-03
4286806 Roller skating spark generator — 1981-09-01