Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6153002 | Ceramic material for fillings and/or dental prostheses and method for the manufacture of the same | Wolfgang Wiedemann | 2000-11-28 |
| 5527162 | Suction apparatus, operated by compressed air, for drawing off dust-laden gases | Friedrich Jacob | 1996-06-18 |
| 5380356 | Quartz-free powdered magmatic nepheline rock material for the surface treatment of dental parts, especially grinding, polishing and/or blasting material | Peter Stroncik | 1995-01-10 |
| 4796688 | Method for controlling the melting and casting process in precision casting, particularly for dental engineering, and arrangement for carrying out the method | Friedrich Jacob | 1989-01-10 |