Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6622817 | Sound reproduction device working according to the bending wave principle | Wolfgang Bachmann, Hans-Jürgen Regl | 2003-09-23 |
| 6560348 | Contact connections | Wolfgang Bachmann, Hans-Jürgen Regl | 2003-05-06 |