Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4989115 | Surge arrester | Robert Giraldeau, Guy St. Jean | 1991-01-29 |
| 4827370 | Enclosure for electric device, in particular for surge arrester, including a molded, electrically insulating envelope | Guy St-Jean, Andre Hamel, Daniel Dumont | 1989-05-02 |