Showing 1–3 of 3 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Andax Petts | — | 1 |
| 1 | David Garnet John Conroy | Columbia Steel Casting Co. | 1 |
| 1 | Martin Charles Simpson | Columbia Steel Casting Co. | 1 |
3 patents · 3 inventors
Ranked #11,009 of 28,648 cities Top 40%
Showing 1–3 of 3 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Andax Petts | — | 1 |
| 1 | David Garnet John Conroy | Columbia Steel Casting Co. | 1 |
| 1 | Martin Charles Simpson | Columbia Steel Casting Co. | 1 |