Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6558000 | Projection device for projecting an image onto a projection surface, and a projection unit for coupling to a projector | Dirk Muehlhoff, Klaus Knupfer, Oliver Baumann | 2003-05-06 |