Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7214129 | Loin puller with two separate cutting blades | Marcel Couture, Yvon Dufour, Jean-Guy Roy | 2007-05-08 |
| 7198566 | Loin puller with two separate cutting blades | Marcel Couture, Yvon Dufour, Jean-Guy Roy | 2007-04-03 |
| 6336856 | Loin puller for trimming off the fat from the loin of a carcass-half | Yvon Dufour, Jean-Guy Roy | 2002-01-08 |
| 5611727 | Middle splitter | Yvon Dufour, Jean-Guy Roy | 1997-03-18 |
| 5565099 | Floatation cell with integrated wall scraping means | Reneau Dufour, Jocelyn Nadreau | 1996-10-15 |