Top Inventors at Duquesne Light All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Bernard P. Breen | 5 |
| 2 | James E. Gabrielson | 5 |
| 3 | John P. Bionda, Jr. | 4 |
| #4 | Anthony Hallo | 4 |
| #5 | Roger W. Glickert | 2 |
| #6 | Joseph Cavello | 1 |
| #7 | Gerard F. Gretz | 1 |
| Rank | Name | Patents |
|---|---|---|
| 1 | Bernard P. Breen | 5 |
| 2 | James E. Gabrielson | 5 |
| 3 | John P. Bionda, Jr. | 4 |
| #4 | Anthony Hallo | 4 |
| #5 | Roger W. Glickert | 2 |
| #6 | Joseph Cavello | 1 |
| #7 | Gerard F. Gretz | 1 |