Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6573468 | Actuation and control device for high-and medium-voltage circuit breakers | Libero Sfondrini, Enrico Elli, Costante Piazza | 2003-06-03 |
| 6545241 | Gas-insulated switchgear device | Claudio Franchi, Costante Piazza | 2003-04-08 |
| 6531841 | Actuation and control device for electric switchgear | Enrico Elli, Costante Piazza | 2003-03-11 |