Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6930871 | Lightning arrester device for low-voltage network | — | 2005-08-16 |
| 4729055 | Surge protection element for telephone lines, or data transmission lines or the like | Michel Dorival | 1988-03-01 |