SD

Sidney T. Dvorak

📍 Philadelphia, PA: #2,553 of 4,834 inventorsTop 55%
🗺 Pennsylvania: #43,221 of 74,527 inventorsTop 60%
Overall (All Time): #4,105,397 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4186312 AC Electrical power systems with alternate sources of power 1980-01-29