Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4217503 | Current limiter | Philippe Hugel, Henri Kraess, Louis Vidonne | 1980-08-12 |
| 4190743 | Thyristor switching matrix | Philippe Hugel, Henri Kraess, Louis Vidonne | 1980-02-26 |