Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6831989 | Electroacoustic transducer having a moving coil and having movable holding elements for the connecting leads of the moving coil | Erich Klein | 2004-12-14 |
| 6799361 | Method for manufacturing an electroacoustical transducer comprising a membrane configuration | — | 2004-10-05 |
| 6697496 | Electroacoustic transducer comprising a membrane with an improved pleats area | — | 2004-02-24 |