Showing 1–7 of 7 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Wendy Frey | Playworld Systems | 2 |
| 1 | Jonathan T. Foster | Playworld Systems | 2 |
| 3 | Harold Dale Mathias | Emeh | 1 |
| 3 | Zina Ann Cashner | — | 1 |
| 3 | Craig L. Ranck | — | 1 |
| 3 | Angelo Loucareas | — | 1 |
| 3 | Curtis Wykoff | The Young Industries | 1 |
Part of Pennsylvania