Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | John D. Fergusson | — | 1 |
| 1 | James G. Hunt | Polytec Gmbh | 1 |
| 1 | James E. Gilchrist | Spiral Systems | 1 |
| 1 | W. Christen Smith | Industrial Air | 1 |
Part of Ohio
4 patents · 4 inventors · 1.8/1k pop.
Ranked #4,506 of 15,417 cities Top 30%
Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | John D. Fergusson | — | 1 |
| 1 | James G. Hunt | Polytec Gmbh | 1 |
| 1 | James E. Gilchrist | Spiral Systems | 1 |
| 1 | W. Christen Smith | Industrial Air | 1 |
Part of Ohio