Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4772324 | Hydrocollid gel based dental impression composition | Don D. Porteous | 1988-09-20 |
| 4648906 | High strength dental impression composition | Don D. Porteous | 1987-03-10 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4772324 | Hydrocollid gel based dental impression composition | Don D. Porteous | 1988-09-20 |
| 4648906 | High strength dental impression composition | Don D. Porteous | 1987-03-10 |