Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5102461 | Process for the optical distinction of a dental material and dental material for said process | Volker Rheinberger, Ulrich Salz | 1992-04-07 |
| 4629746 | Radiopaque dental materials | Rudolf J. Michl, Volker Rheinberger | 1986-12-16 |