Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Daryl R. Calhoun | Fenwal | 3 |
| 2 | Michael Bohan | Microsoft | 2 |
| 3 | Kevin C. Colangelo | R.P. Scherer Technologies | 1 |
| 3 | Robert LeDain | United Conveyor | 1 |
Part of Illinois
7 patents · 4 inventors · 0.6/1k pop.
Ranked #12,219 of 43,611 cities Top 30%
Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Daryl R. Calhoun | Fenwal | 3 |
| 2 | Michael Bohan | Microsoft | 2 |
| 3 | Kevin C. Colangelo | R.P. Scherer Technologies | 1 |
| 3 | Robert LeDain | United Conveyor | 1 |
Part of Illinois