Top Inventors at Tracbeam All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Dennis J. Dupray | 20 |
| 2 | Charles L. Karr | 12 |
| 3 | Frederick W. LeBlanc | 4 |
| #4 | Sheldon F. Goldberg | 3 |
| Rank | Name | Patents |
|---|---|---|
| 1 | Dennis J. Dupray | 20 |
| 2 | Charles L. Karr | 12 |
| 3 | Frederick W. LeBlanc | 4 |
| #4 | Sheldon F. Goldberg | 3 |