Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7044165 | Outflow regulator for a gravity-fed liquid outlet | Marc-Andre Malenfant, Yves Bérubé, Jean-Pierre Dautais | 2006-05-16 |
| 6886588 | Buoyancy flushing apparatus and method thereof | Marc-Andre Malenfant, Yves Bérubé, Roger Lacasse, Jean-Pierre Dautais | 2005-05-03 |