Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4517043 | Custom denture fabrication technic | Raymond H. Martin, John R. Griffin | 1985-05-14 |
| 4500289 | Denture occlusal mounting translator | John R. Griffin, Raymond H. Martin | 1985-02-19 |
| 4337039 | Plasterless articulator | Raymond H. Martin, John R. Griffin | 1982-06-29 |