Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4227877 | Anatomical intra-orally moldable dental impression tray and method | Stephen J. Ginsburg, Frederick E. Draheim | 1980-10-14 |
| 4184253 | Denture and method of producing and fitting | — | 1980-01-22 |