Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5140770 | Door with a sliding leaf, in particular for a railroad vehicle | — | 1992-08-25 |
| 4576717 | Process for denitrifying subterreanean waters to make them potable | Jean J. Collin, Alain Landreau, Henri Talbo, Guy Martin | 1986-03-18 |