Top Inventors at Espro All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Bruce A. Constantine | 19 |
| 2 | Christopher R. McLean | 19 |
| 3 | Cary Ong | 3 |
| #4 | Jordan Sciberras | 3 |
| #5 | Charles Carr | 1 |
| #6 | Edward M. Sybert | 1 |
| #7 | Aldis E. Adamson | 1 |
| Rank | Name | Patents |
|---|---|---|
| 1 | Bruce A. Constantine | 19 |
| 2 | Christopher R. McLean | 19 |
| 3 | Cary Ong | 3 |
| #4 | Jordan Sciberras | 3 |
| #5 | Charles Carr | 1 |
| #6 | Edward M. Sybert | 1 |
| #7 | Aldis E. Adamson | 1 |