Showing 1–9 of 9 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Joe Armstrong | — | 6 |
| 2 | Donald Holmes | Unknown | 5 |
| 3 | James B. Loftis | Joy Manufacturing | 4 |
| #4 | Norlin O. Lewis | Joy Manufacturing | 2 |
| #4 | Walter L. Loggins | — | 2 |
| #4 | Jeffrey E. Littleton | — | 2 |
| #7 | Sonny L. Desmond | — | 1 |
| #7 | Buck M. Rutherford | — | 1 |
| #7 | Marc Ryan DE SMIDT | Shem | 1 |
Part of Alabama