Issued Patents 2004
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6778510 | Digital telecommunication facility | Stefan Heinen | 2004-08-17 |
| 6771711 | Digital GMSK filter | Volker Christ | 2004-08-03 |
| 6765970 | Method and apparatus for preventing interference | — | 2004-07-20 |
| 6762589 | Circuit for charging rechargeable batteries having a combined charging and overvoltage protection circuit | Rolf Beerwerth, Hans-Gerd Kirchhoff | 2004-07-13 |
| 6690210 | Transmitting device | Abdul-Karim Hadjizada | 2004-02-10 |