Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6185813 | Enhanced varistor-based lighting arresters | — | 2001-02-13 |
| 4766894 | Process and device for signaling malfunctions of a respirator | Michel Legrand, Luc Caillot, Roman Siretchi | 1988-08-30 |