Showing 1–5 of 5 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Joseph L. Schmidt | Federal Signal | 8 |
| 2 | Sarah A. Walczynski | John Deere | 3 |
| 2 | Raymond Colton | — | 3 |
| #4 | Jeffrey J. Doll | Caterpillar | 2 |
| #5 | Roy McClenning | — | 1 |
Part of Illinois
17 patents · 5 inventors · 22.7/1k pop.
Ranked #42,075 of 111,555 cities Top 40%
Showing 1–5 of 5 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Joseph L. Schmidt | Federal Signal | 8 |
| 2 | Sarah A. Walczynski | John Deere | 3 |
| 2 | Raymond Colton | — | 3 |
| #4 | Jeffrey J. Doll | Caterpillar | 2 |
| #5 | Roy McClenning | — | 1 |
Part of Illinois