Showing 1–1 of 1 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | William Campbell | — | 2 |
Part of North Dakota
2 patents · 1 inventors
Ranked #22,733 of 44,998 cities Top 55%
Showing 1–1 of 1 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | William Campbell | — | 2 |
Part of North Dakota