Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5474451 | Dental water and air purification equipment | Jon Dalrymple, Jan Magnusson | 1995-12-12 |
| 4973247 | Dental handpiece assembly | DeWayne L. Varnes | 1990-11-27 |
| 4470812 | Cutting handpiece and coolant means | DeWayne L. Varnes | 1984-09-11 |