Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5626475 | Dental matrix tensioner | Hans Von Weissenfluh | 1997-05-06 |
| 5597553 | Expanded perlite toothpaste | Gianni Baffelli | 1997-01-28 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5626475 | Dental matrix tensioner | Hans Von Weissenfluh | 1997-05-06 |
| 5597553 | Expanded perlite toothpaste | Gianni Baffelli | 1997-01-28 |