Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6806481 | Rectangular frame system with one to two windowpane-like radiation filters and a tanning module | Bernd Ullrich, Ernst Smolka, Jörn Jahnke, Stefan Greif | 2004-10-19 |
| 6717164 | Tanning module with a housing | Bernd Ullrich, Ernst Smolka, Jörn Jahnke, Stefan Greif | 2004-04-06 |
| 6387115 | Photodynamic cylindrical lamp with asymmetrically located electrodes and its use | Ernst Smolka, Jörn Jahnke | 2002-05-14 |