DE

Donald M. Evans

UE US Dept of Energy: 1 patents #1,355 of 5,099Top 30%
📍 Masontown, PA: #89 of 171 inventorsTop 55%
🗺 Pennsylvania: #43,221 of 74,527 inventorsTop 60%
Overall (All Time): #4,016,642 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4523465 Wireless remote liquid level detector and indicator for well testing George E. Fasching, John H. Ernest 1985-06-18