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Harold L. Drury

📍 Phoenix, AZ: #1,944 of 6,660 inventorsTop 30%
🗺 Arizona: #10,057 of 32,909 inventorsTop 35%
Overall (All Time): #1,668,612 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4964395 Apparatus and method for a solar radiation water heater Angel M. Salgado 1990-10-23
D310060 Solar water heater or the like Angel M. Salgado 1990-08-21
4782816 Apparatus for a solar water heater Angel M. Salgado 1988-11-08