Showing 1–6 of 6 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Dan Shaffer | Rockland | 3 |
| 2 | Thad S. Maugle | — | 1 |
| 2 | Charles R. Elder | Plug Power | 1 |
| 2 | Andres Viduya | Vocollect | 1 |
| 2 | Todd M. Hammaker | — | 1 |
| 2 | Eliot S. Smithe | F. L. Smithe Machine Company | 1 |
Part of Pennsylvania