Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5618763 | Alkali-zinc-silicate glass-ceramics and glasses | Martin Frank, Volker Rheinberger, Wolfram Hoeland | 1997-04-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5618763 | Alkali-zinc-silicate glass-ceramics and glasses | Martin Frank, Volker Rheinberger, Wolfram Hoeland | 1997-04-08 |