Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5369916 | Polishing element | Steven R. Jefferies, Roy L. Smith | 1994-12-06 |
| RE33801 | Mixing and discharge capsule | — | 1992-01-21 |
| 5078754 | Finishing/polishing system | Steven R. Jefferies, Roy L. Smith | 1992-01-07 |
| 4648532 | Mixing and discharge capsule | — | 1987-03-10 |
| 4518356 | Utrasonic dental file and method of determining failure resistant lengths thereof | — | 1985-05-21 |