Showing 1–2 of 2 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Frank X. McNally | National Mine Service | 3 |
| 2 | Henry C. Bramer | — | 1 |
Part of Pennsylvania
4 patents · 2 inventors
Ranked #4,506 of 15,417 cities Top 30%
Showing 1–2 of 2 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Frank X. McNally | National Mine Service | 3 |
| 2 | Henry C. Bramer | — | 1 |
Part of Pennsylvania