Showing 1–7 of 7 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Robert Stumpf | Unknown | 1 |
| 1 | John Weston | Tuthill | 1 |
| 1 | Robert W. Stumpf | Unknown | 1 |
| 1 | John Zay | — | 1 |
| 1 | Frank Malachowski | Alcan Aluminum | 1 |
| 1 | Gerald Fought | Invacare | 1 |
| 1 | Ralph Shaffer | American Greetings | 1 |
Part of Ohio