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Charles W. Downs

📍 Gresham, OR: #110 of 243 inventorsTop 50%
🗺 Oregon: #17,068 of 28,073 inventorsTop 65%
Overall (All Time): #3,870,181 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4993403 Method and apparatus for trapping heat energy Elaine I. Downs, Jennifer L. Downs 1991-02-19