Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6655041 | Multilevel roller-conveyor dryer | Manfred Schmidt, Gerhard Lehn | 2003-12-02 |
| 6584747 | Floor tile | Volker Kettler, Wolfgang Wienstroer | 2003-07-01 |
| 6560464 | Telephone switching system and method | Helmut Rau, Udo Klotz, Franz Egger | 2003-05-06 |