Showing 1–5 of 5 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Richard Hall | North American Refractories | 13 |
| 2 | Jackson Gates | — | 4 |
| 3 | Shawn K. Ward | — | 1 |
| 3 | Laurie A. Ward | — | 1 |
| 3 | Alan L. Fisch | North American Refractories | 1 |
Part of Pennsylvania
20 patents · 5 inventors · 59.5/1k pop.
Ranked #38,992 of 111,555 cities Top 35%
Showing 1–5 of 5 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Richard Hall | North American Refractories | 13 |
| 2 | Jackson Gates | — | 4 |
| 3 | Shawn K. Ward | — | 1 |
| 3 | Laurie A. Ward | — | 1 |
| 3 | Alan L. Fisch | North American Refractories | 1 |
Part of Pennsylvania