Showing 1–3 of 3 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Matthew C. Brewer | Ohio Electronic Engravers | 6 |
| 2 | Richard P. Ellsworth | Stahls' | 1 |
| 2 | Joseph T. Lazarz | — | 1 |
Part of Pennsylvania
8 patents · 3 inventors · 4.2/1k pop.
Ranked #58,130 of 111,555 cities Top 55%
Showing 1–3 of 3 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Matthew C. Brewer | Ohio Electronic Engravers | 6 |
| 2 | Richard P. Ellsworth | Stahls' | 1 |
| 2 | Joseph T. Lazarz | — | 1 |
Part of Pennsylvania