Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5759930 | Substantially spherical particles of lithium silicates with improved mechanical properties and improved surface quality | Mario Dalle Donne, Guster Schumacher, Volkmar Geiler, Marc Clement | 1998-06-02 |
| 5589427 | Substantially spherical particles of lithium silicates with improved mechanical properties and impaired surface quality | Mario Dalle Donne, Guster Schumacher, Volkmar Geiler, Marc Clement | 1996-12-31 |