Top Inventors at Quadrex Hps All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | David E. Fowler | 9 |
| 2 | Charles R. Witt | 1 |
| 3 | David C. Grant | 1 |
| #4 | Joseph A. Capella | 1 |
| #5 | Eugene T. McIlvaine | 1 |
| Rank | Name | Patents |
|---|---|---|
| 1 | David E. Fowler | 9 |
| 2 | Charles R. Witt | 1 |
| 3 | David C. Grant | 1 |
| #4 | Joseph A. Capella | 1 |
| #5 | Eugene T. McIlvaine | 1 |