Top Inventors at Periodontix All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | F. Donald Roberts | 5 |
| 2 | Frank G. Oppenheim | 5 |
| 3 | Peter Spacciapoli | 5 |
| #4 | Tao Xu | 5 |
| #5 | Phillip M. Friden | 4 |
| #6 | Eric L. Nelson | 1 |
| Rank | Name | Patents |
|---|---|---|
| 1 | F. Donald Roberts | 5 |
| 2 | Frank G. Oppenheim | 5 |
| 3 | Peter Spacciapoli | 5 |
| #4 | Tao Xu | 5 |
| #5 | Phillip M. Friden | 4 |
| #6 | Eric L. Nelson | 1 |