Showing 1–10 of 10 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Charles E. Campbell | Amo Manufacturing Usa | 2 |
| 2 | Russel D. Huff | — | 1 |
| 2 | John M. Labriola | — | 1 |
| 2 | Stephen Kuretich | — | 1 |
| 2 | Robert A. Fulcher | Miti Manufacturing | 1 |
| 2 | Margaret M. Lange | — | 1 |
| 2 | Charles M. Lange | — | 1 |
| 2 | Ruth Michels | — | 1 |
| 2 | Laura K. Bradford | — | 1 |
| 2 | Ronald E. Drake | — | 1 |
Part of Colorado