Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5181473 | Rail vehicle bogey with independent motorized wheels | Alain Devallez | 1993-01-26 |
| 4982671 | Vehicle with steerable axles | Hugues Chollet, Jean-Louis Maupu | 1991-01-08 |
| 4912406 | Device for determining position of a railway vehicle by measuring deviation in position of a magnet | Hugues Chollet, Jean-Louis Maupu | 1990-03-27 |