Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7333027 | Power supply for LED signal | — | 2008-02-19 |
| 7057529 | LED traffic signal load switch | — | 2006-06-06 |
| 6833796 | Count down led traffic signal | — | 2004-12-21 |
| 6717526 | Light degradation sensing LED signal with light pipe collector | Patrick Martineau, Eden Dubuc | 2004-04-06 |
| 6667623 | Light degradation sensing led signal with visible fault mode | Claude Boisvert | 2003-12-23 |
| 5644873 | Stairs for swimming-pool | — | 1997-07-08 |
| D372985 | Stairs for swimming pool | — | 1996-08-20 |