Showing 1–7 of 7 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Donald I. Small | — | 2 |
| 2 | Chad Patterson | Spalding Sports Worldwide | 1 |
| 2 | John Hill | Oshkosh | 1 |
| 2 | Ambrogio Giannini | Scuderi Group | 1 |
| 2 | Wallace R. Preston | Mitsubishi Motors | 1 |
| 2 | Stephen Lak | Diesel Engine Retarders | 1 |
| 2 | Russell R. Thomas | Unknown | 1 |
Part of Massachusetts