Top Inventors at Champion Spark Plug 1982
Showing 1–4 of 4 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Melvin J. Winterhalter | 1 |
| 1 | Colonel E. Grant | 1 |
| 1 | Michael F. Johnson | 1 |
| 1 | Robert A. Mahaney | 1 |
Showing 1–4 of 4 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Melvin J. Winterhalter | 1 |
| 1 | Colonel E. Grant | 1 |
| 1 | Michael F. Johnson | 1 |
| 1 | Robert A. Mahaney | 1 |