Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5840180 | Water flow segregating unit with endless screw | — | 1998-11-24 |
| 5814216 | Waste water contaminant segregating unit for sewer conduits | — | 1998-09-29 |
| 5770057 | Overflow water screening apparatus | — | 1998-06-23 |
| 5715668 | Self-adjustable rake for overflow grates | Martin Couture | 1998-02-10 |
| 5674386 | Self-cleaning bar screen for storm water and the like large water volumes | — | 1997-10-07 |
| 4540032 | Tree harvesting machine | Jean-Pierre Pelletier, Clement Potvin | 1985-09-10 |