Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4543537 | Method of and arrangement for controlling the gain of an amplifier | Michael Harald Kuhn, Herbert Piotrowski | 1985-09-24 |
| 4471453 | Measuring mis-match between signals | Hermann Ney | 1984-09-11 |
| 4445229 | Device for adjusting a movable electro-acoustic sound transducer | Manfred Tasto, Michael Harald Kuhn, Herbert Piotrowski, Horst Tomaschewski, Hermann Ney | 1984-04-24 |