Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6390226 | Differential lock engaging arrangement | Derek Smith | 2002-05-21 |
| 6357315 | Differential lock and four wheel drive control arrangement | Derek Smith | 2002-03-19 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6390226 | Differential lock engaging arrangement | Derek Smith | 2002-05-21 |
| 6357315 | Differential lock and four wheel drive control arrangement | Derek Smith | 2002-03-19 |