Showing 1–9 of 9 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | John W. Spirk | Nottingham Spirk Design Associates | 5 |
| 2 | Anthony J. Lammers | Innodesk Business Tools | 2 |
| 3 | Rudolph F. Brundula | Royal Appliance Mfg. | 1 |
| 3 | Edward C. Benzel | Cleveland Clinic | 1 |
| 3 | Jessica A. E. Spirk | — | 1 |
| 3 | John O. Milliken | Enpac, L.L.C. | 1 |
| 3 | Carl V. Santoiemmo | Ranpak | 1 |
| 3 | Sherwood Nassau | — | 1 |
| 3 | Robert Mark Fumich | — | 1 |
Part of Ohio