Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | John W. Spirk | Nottingham Spirk Design Associates | 8 |
| 2 | Anthony J. Lammers | Innodesk Business Tools | 3 |
| 3 | Edward C. Benzel | Cleveland Clinic | 1 |
| 3 | James D. Burrington | The Lubrizol | 1 |
Part of Ohio