Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6806481 | Rectangular frame system with one to two windowpane-like radiation filters and a tanning module | Ullrich Berger, Ernst Smolka, Jörn Jahnke, Stefan Greif | 2004-10-19 |
| 6717164 | Tanning module with a housing | Ullrich Berger, Ernst Smolka, Jörn Jahnke, Stefan Greif | 2004-04-06 |