Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6975508 | Modular electrical device combination | Hans-Juergen Hoegener, Juergen Volberg, Artur Wiese, Joerg Schaefer | 2005-12-13 |
| 6944831 | Operator buttons as active buttons | — | 2005-09-13 |