Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6628393 | Method for determining the shade stability of lacquers | Bernd Biallas, Wolfgang Duschek, Harald Berlin | 2003-09-30 |
| 6459477 | Method and device for measuring painted test tables | Harald Berlin, Bernd Biallas, Wolfgang Duschek | 2002-10-01 |