Showing 1–5 of 5 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Henry T. Tyrpin | Wm. Wrigley Jr. | 2 |
| 2 | Christopher F. Blazek | Gas Research Institute | 1 |
| 2 | Jeffrey S. Hook | Wm. Wrigley Jr. | 1 |
| 2 | Thomas S. Radja | — | 1 |
| 2 | Jason M. Landborg | — | 1 |
Part of Illinois
6 patents · 5 inventors · 0.3/1k pop.
Ranked #6,205 of 24,315 cities Top 30%
Showing 1–5 of 5 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Henry T. Tyrpin | Wm. Wrigley Jr. | 2 |
| 2 | Christopher F. Blazek | Gas Research Institute | 1 |
| 2 | Jeffrey S. Hook | Wm. Wrigley Jr. | 1 |
| 2 | Thomas S. Radja | — | 1 |
| 2 | Jason M. Landborg | — | 1 |
Part of Illinois