Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8162664 | Lithium silicate materials | Elke Apel, Marcel Schweiger, Christian Ritzberger, Harald Bürke, Volker Rheinberger | 2012-04-24 |
| 7993137 | Lithium silicate materials | Elke Apel, Marcel Schweiger, Christian Ritzberger, Harald Bürke, Volker Rheinberger | 2011-08-09 |