Top Inventors at Harper Trucks All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | John J. Stallbaumer | 6 |
| 2 | José Angel Caceres Mendoza | 5 |
| 3 | Kenneth E. Rousseau | 4 |
| #4 | Gary L. Dunkle | 3 |
| #5 | Robert D. Rahn | 2 |
| #6 | Jose' Angel Caceres Mendoza | 1 |
| #7 | Dale A. Ast | 1 |
| Rank | Name | Patents |
|---|---|---|
| 1 | John J. Stallbaumer | 6 |
| 2 | José Angel Caceres Mendoza | 5 |
| 3 | Kenneth E. Rousseau | 4 |
| #4 | Gary L. Dunkle | 3 |
| #5 | Robert D. Rahn | 2 |
| #6 | Jose' Angel Caceres Mendoza | 1 |
| #7 | Dale A. Ast | 1 |