Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7520517 | Leaf spring assembly having safety spring with retaining elements | Melvin Svendsen, Donald Stoesz | 2009-04-21 |
| 7290758 | Leaf spring assembly with retaining device | Melvin Svendsen, Donald Stoesz, Simon Yisheng Feng, Luc Jarry | 2007-11-06 |
| 7131501 | Disk harrow with U-shaped cushions of tapered round section | Melvin Svendsen, Donald Stoesz, Simon Fen, Luc Jarry | 2006-11-07 |