Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10408990 | Luminaire for generating direct lighting and indirect lighting | Marcel Kilga, Michael Spiegel, Andreas Schwaighofer | 2019-09-10 |
| 9897750 | LED light fitting having a light-guiding panel | Marcel Kilga, Michael Spiegel | 2018-02-20 |