Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5698019 | Leucite-containing phosphosilicate glass-ceramic | Martin Frank, Volker Rheinberger, Wolfram Hoeland | 1997-12-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5698019 | Leucite-containing phosphosilicate glass-ceramic | Martin Frank, Volker Rheinberger, Wolfram Hoeland | 1997-12-16 |