Showing 1–5 of 5 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Andrew Dahl | Calmer Holding Company | 10 |
| 2 | John P. Vandevoorde | John Deere | 2 |
| 2 | Wanda Kay Cross | AT&T | 2 |
| 2 | Christopher R. Perkins | — | 2 |
| #5 | Zachary R. Sopher | John Deere | 1 |
Part of Illinois
17 patents · 5 inventors · 200.0/1k pop.
Ranked #42,075 of 111,555 cities Top 40%
Showing 1–5 of 5 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Andrew Dahl | Calmer Holding Company | 10 |
| 2 | John P. Vandevoorde | John Deere | 2 |
| 2 | Wanda Kay Cross | AT&T | 2 |
| 2 | Christopher R. Perkins | — | 2 |
| #5 | Zachary R. Sopher | John Deere | 1 |
Part of Illinois