ES

Ernest D. Showalter

📍 Midland, TX: #232 of 491 inventorsTop 50%
🗺 Texas: #73,555 of 125,132 inventorsTop 60%
Overall (All Time): #3,905,565 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4935685 Motor controller for pumping units Marvin W. Justus, David Watts 1990-06-19