Showing 1–3 of 3 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Stephen Chwastiak | Carborundum | 3 |
| 2 | Robert J. Opalko | Ferro | 1 |
| 2 | James L. Hollingsworth | The Eastern | 1 |
Part of Ohio
5 patents · 3 inventors · 0.3/1k pop.
Ranked #6,932 of 24,315 cities Top 30%
Showing 1–3 of 3 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Stephen Chwastiak | Carborundum | 3 |
| 2 | Robert J. Opalko | Ferro | 1 |
| 2 | James L. Hollingsworth | The Eastern | 1 |
Part of Ohio