Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4831327 | Self-powered electrical measuring system isolated from electrical perturbances | André Chénier | 1989-05-16 |
| 4827370 | Enclosure for electric device, in particular for surge arrester, including a molded, electrically insulating envelope | Guy St-Jean, Michel Bourdages, Daniel Dumont | 1989-05-02 |