Showing 1–3 of 3 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | James Luke | Arb Corporation Limited | 3 |
| 2 | John Hanna | — | 2 |
| 2 | David H. Osborne | — | 2 |
Part of Pennsylvania
7 patents · 3 inventors
Ranked #61,033 of 111,555 cities Top 55%
Showing 1–3 of 3 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | James Luke | Arb Corporation Limited | 3 |
| 2 | John Hanna | — | 2 |
| 2 | David H. Osborne | — | 2 |
Part of Pennsylvania