Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Joseph M. Gryzlak | Design Ideas | 3 |
| 1 | Charles E. Bain | Sanford | 3 |
| 3 | Jeffrey M. Stupar | Illinois Tool Works | 2 |
| #4 | Arthur J. Varga | Ameritech Services | 1 |
Part of Illinois
9 patents · 4 inventors · 1.7/1k pop.
Ranked #4,294 of 22,654 cities Top 20%
Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Joseph M. Gryzlak | Design Ideas | 3 |
| 1 | Charles E. Bain | Sanford | 3 |
| 3 | Jeffrey M. Stupar | Illinois Tool Works | 2 |
| #4 | Arthur J. Varga | Ameritech Services | 1 |
Part of Illinois