Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | James E. Mothersbaugh | The Young Industries | 4 |
| 2 | Thomas Geoffrey Knight | Rjf International | 1 |
| 2 | James E. O'Brien | Battelle Energy Alliance | 1 |
| 2 | Thomas A. Shreiner | Construction Specialties | 1 |
Part of Pennsylvania