Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7175395 | Pressure enhancer value system | — | 2007-02-13 |
| 5771707 | Unitary heat exchanger for the air-to-air transfer of water vapor and sensible heat | Frederic Lagace | 1998-06-30 |
| 5667605 | Method of fabrication of a piece of structural steel, and the steel fabricated thereby | Jacques Bellus, Claude Pichard, Pierre Eric Jolly, Daniel Robat | 1997-09-16 |
| 5193610 | Defrostable ventilation system | Rene Morissette, Michel Julien | 1993-03-16 |