SD

Sylvester J. Dropik

EI Electric Power Research Institute: 1 patents #421 of 1,201Top 40%
📍 Jeannette, PA: #48 of 85 inventorsTop 60%
🗺 Pennsylvania: #43,221 of 74,527 inventorsTop 60%
Overall (All Time): #4,102,763 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4307274 Circuit interrupter using dielectric liquid with energy storage Joseph R. Rostron, William H. Fischer, Charles F. Cromer, Kent D. Daschke 1981-12-22