Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5874888 | Car radio with an anti-theft device | — | 1999-02-23 |
| 5729174 | Circuit arrangement for transmitting audio signals | Dirk Schwantes-Roy | 1998-03-17 |
| 5708390 | Signal amplifier arrangeable in two different configuration modes | — | 1998-01-13 |
| 5332976 | Sound signal amplifier with low power dissipation | — | 1994-07-26 |
| 4682364 | Fader circuit arrangement in electrical reproducing apparatus and fader control for such an arrangement | — | 1987-07-21 |