Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6606884 | Sinterable lithium disilicate glass ceramic | Marcel Schweiger, Martin Frank, Volker Rheinberger | 2003-08-19 |
| 6514893 | Sinterable lithium disilicate glass ceramic | Marcel Schweiger, Martin Frank, Volker Rheinberger | 2003-02-04 |
| 6342458 | Lithium disilicate glass ceramics dental product | Marcel Schweiger, Martin Frank, Volker Rheinberger | 2002-01-29 |
| 5968856 | Sinterable lithium disilicate glass ceramic | Marcel Schweiger, Martin Frank, Volker Rheinberger | 1999-10-19 |
| 5925180 | ZrO.sub.2 -containing glass-ceramic | Martin Frank, Volker Rheinberger | 1999-07-20 |
| 5698482 | ZrO.sub.2 - containing glass-ceramic | Martin Frank, Volker Rheinberger | 1997-12-16 |
| 5698019 | Leucite-containing phosphosilicate glass-ceramic | Martin Frank, Marcel Schweiger, Volker Rheinberger | 1997-12-16 |
| 5618763 | Alkali-zinc-silicate glass-ceramics and glasses | Martin Frank, Susanne Wegner, Volker Rheinberger | 1997-04-08 |
| 5432130 | Opalescent glass | Volker Rheinberger, Martin Frank | 1995-07-11 |
| 4789649 | Micaceous-cordierite-glass ceramic | Christine Abert, Eggert Beleites, Gunter Carl, Steffen Grosse, Hilmar Gudziol +9 more | 1988-12-06 |