RH

Richard L. Hirschfeld

📍 Fairfax, CA: #62 of 140 inventorsTop 45%
🗺 California: #185,134 of 386,348 inventorsTop 50%
Overall (All Time): #2,372,920 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4219759 Three phase power control unit 1980-08-26
4189664 Power control unit for automatic control of power consumption in a lighting load 1980-02-19