Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4850872 | Dental restoration | Daniel Nathanson | 1989-07-25 |
| 4758163 | Endodontic material and method | — | 1988-07-19 |
| 4645457 | Endodontic material and method | Dan Nathanson | 1987-02-24 |
| 4427383 | Tooth reconstruction | — | 1984-01-24 |