Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9025155 | Hand-held color measurement device | Bernd Danhamer, Marco Kessler | 2015-05-05 |
| 8279440 | Hand-held light measuring device | Beat Frick, Stefan Knechtle | 2012-10-02 |
| 4968140 | Manual device for the determination or measurement of photometric data using a measuring head | Markus Berner, Fortunat Schrammli, Wilhelm Koch | 1990-11-06 |