Showing 1–3 of 3 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | William Francis Michael Dougherty | Mattel | 6 |
| 2 | Robert A. Sterner, Sr. | — | 1 |
| 2 | Susan M. Brandt | Hydrocarbon Research | 1 |
Part of Pennsylvania
8 patents · 3 inventors
Ranked #58,130 of 111,555 cities Top 55%
Showing 1–3 of 3 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | William Francis Michael Dougherty | Mattel | 6 |
| 2 | Robert A. Sterner, Sr. | — | 1 |
| 2 | Susan M. Brandt | Hydrocarbon Research | 1 |
Part of Pennsylvania