ME

Marion H. Ewers

📍 Marlow, OK: #22 of 59 inventorsTop 40%
🗺 Oklahoma: #3,359 of 12,736 inventorsTop 30%
Overall (All Time): #1,673,625 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4756300 Solar water heater, method of construction and stock water heating system 1988-07-12
4245958 Vertical axis wind turbine 1981-01-20
4239248 Collapsible walker 1980-12-16