LW

Louis H. Widdershoven

📍 Kerkrade, NL: #30 of 69 inventorsTop 45%
Overall (All Time): #2,373,792 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4223641 Gas boiler control 1980-09-23
4213406 Draft interrupter of a gas-fired boiler installation 1980-07-22