Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Henry T. Tyrpin | Wm. Wrigley Jr. | 2 |
| 2 | Gregory A. Martens | AT&T | 1 |
| 2 | Jeffrey S. Hook | Wm. Wrigley Jr. | 1 |
| 2 | Wun Ten Tai | Betzdearborn | 1 |
Part of Illinois
5 patents · 4 inventors · 0.3/1k pop.
Ranked #6,342 of 22,654 cities Top 30%
Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Henry T. Tyrpin | Wm. Wrigley Jr. | 2 |
| 2 | Gregory A. Martens | AT&T | 1 |
| 2 | Jeffrey S. Hook | Wm. Wrigley Jr. | 1 |
| 2 | Wun Ten Tai | Betzdearborn | 1 |
Part of Illinois