Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5123879 | Variable speed transmission device | Fabrice Lecouturier, Christian Ledevehat, Robert Colley | 1992-06-23 |
| 4968288 | Variable speed transmission device | Fabrice Lecouturier, Christian Ledevehat, Robert Colley | 1990-11-06 |