Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6935751 | Projection arrangement for correcting for image distortions | Gerd Rieche, Ralph Mende | 2005-08-30 |
| 6784946 | Assembly, in which light from a light source is directed onto a surface | Christfried Symanowski | 2004-08-31 |