Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D388138 | Reversible race track section | Jean-Christophe Doyon, Gilles Collin, Daniel Bourgeois | 1997-12-23 |
| 5657695 | Reversible race track system | Jean-Christophe Doyon, Gilles Collin, Daniel Bourgeois | 1997-08-19 |