Showing 1–6 of 6 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Philip Travis Putman | Sierra Lobo | 2 |
| 2 | Charles E. DeCaro | — | 1 |
| 2 | James L. Ebert | Unknown | 1 |
| 2 | Jay W. Thornhill | The Pullman | 1 |
| 2 | Zoren E. Gaspar | The Pullman | 1 |
| 2 | Gregory Eytchison | Western/Scott Fetzer | 1 |
Part of Ohio