Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7044023 | Knob with different gear ratios | Stefano Zanella, Silvano Zanon | 2006-05-16 |
| 6745725 | Safety water-heater valve adjustment | Stefano Zanella | 2004-06-08 |
| 6182944 | System for connecting valve units for gas water-heaters to tanks belonging to the water-heaters | Ciuceppe Veronese, Antonio Sardena | 2001-02-06 |