Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5776233 | Process for preparing a ceramic material for use in dental fillings and dental crowns | Wolfgang Wiedemann | 1998-07-07 |
| 5228753 | Process for producing bristle materials | Horst Klein, Wolfgang Wiedemann | 1993-07-20 |