Issued Patents All Time
Showing 26–33 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7867930 | Lithium silicate glass ceramic | Wolfram Höland, Marcel Schweiger, Christian Ritzberger, Harald Bürke, Volker Rheinberger | 2011-01-11 |
| 7846857 | Dental glass ceramics | Wolfram Höland, Christian Ritzberger, Volker Rheinberger | 2010-12-07 |
| 7795164 | Dental glass | Christian Ritzberger, Volker Rheinberger, Peter Burtscher, Wolfram Höland, Thomas Graule +2 more | 2010-09-14 |
| 7452836 | Lithium silicate glass ceramic | Wolfram Höland, Marcel Schweiger, Christian van t'Hoen, Harald Bürke, Volker Rheinberger | 2008-11-18 |
| 7371702 | Translucent and radio-opaque glass ceramics | Christian Ritzberger, Wolfram Höland, Volker Rheinberger | 2008-05-13 |
| 7183232 | Translucent and radio-opaque ceramics | Christian van't Hoen, Wolfram Höland, Volker Rheinberger | 2007-02-27 |
| 7166548 | Apatite glass ceramic based on siliceous oxyapatites | Wolfram Höland, Christian van't Hoen, Urs Bolle, Volker Rheinberger | 2007-01-23 |
| 7074730 | Bioactive rhenanite glass ceramic | Wolfram Höland, Volker Rheinberger | 2006-07-11 |