DB

David S. Bernzweig

📍 Framingham, MA: #643 of 1,271 inventorsTop 55%
🗺 Massachusetts: #42,150 of 88,656 inventorsTop 50%
Overall (All Time): #2,341,016 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4644290 Metal detector audio amplifier — 1987-02-17
4594559 Metal detector audio amplifier — 1986-06-10