Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4278302 | Grouser bar track assembly for snowmobile | David A. Westimayer | 1981-07-14 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4278302 | Grouser bar track assembly for snowmobile | David A. Westimayer | 1981-07-14 |