HC

Hanspeter Coufal

📍 Eggersriet, CH: #3 of 5 inventorsTop 60%
Overall (All Time): #4,066,752 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4320326 Electronic device for controlling the brightness of an electric gas discharge lamp without an incandescent cathode Walter Banziger 1982-03-16