Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7972043 | Built-in light fixture | — | 2011-07-05 |
| 7674014 | Lighting installation | Martin Kirsten, Matthias Koller, Thorstan Kretzer | 2010-03-09 |
| 7439442 | Radiant element housing | — | 2008-10-21 |
| 6652125 | Interior luminaire, in particular for the illumination of merchandise display surface | Martin Kirsten | 2003-11-25 |