RD

Richard Anthony Dowzall

📍 Portland, ME: #172 of 276 inventorsTop 65%
🗺 Maine: #2,311 of 4,281 inventorsTop 55%
Overall (All Time): #3,276,846 of 4,157,543Top 80%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7650724 Tube with external channel Richard A. Hallett 2010-01-26