DT

Donald W. Townsend

📍 Phoenix, AZ: #1,944 of 6,660 inventorsTop 30%
🗺 Arizona: #10,057 of 32,909 inventorsTop 35%
Overall (All Time): #1,677,550 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4587951 Circular arc solar concentrator Edward E. Routery 1986-05-13
4579106 Solar collector with drive system Edward E. Routery 1986-04-01
4538886 Circular arc solar concentrator Edward E. Routery 1985-09-03