DM

David R. Menasian

📍 Potter Valley, CA: #2 of 10 inventorsTop 20%
🗺 California: #185,134 of 386,348 inventorsTop 50%
Overall (All Time): #2,346,219 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4565555 Vacuum collector — 1986-01-21
4557738 Vacuum collector — 1985-12-10