Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Dennis A. Simpson | Ppg Industries Ohio | 3 |
| 2 | Mary E. Grolemund | Ppg Industries Ohio | 2 |
| 3 | Marlin S. Heilman | Vascor | 1 |
| 3 | Michael Bobeck | Ric Investments | 1 |
Part of Pennsylvania
7 patents · 4 inventors
Ranked #7,355 of 30,370 cities Top 25%
Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Dennis A. Simpson | Ppg Industries Ohio | 3 |
| 2 | Mary E. Grolemund | Ppg Industries Ohio | 2 |
| 3 | Marlin S. Heilman | Vascor | 1 |
| 3 | Michael Bobeck | Ric Investments | 1 |
Part of Pennsylvania