Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6359997 | Loudspeaker having radially magnetized magnetic ring | Gerhard Krump | 2002-03-19 |
| 5898786 | Loudspeakers | — | 1999-04-27 |
| 5729616 | Centering diaphragm | — | 1998-03-17 |
| 5703337 | System for cancelling sound waves | — | 1997-12-30 |
| 5699439 | Loudspeakers | Manfred Aigner | 1997-12-16 |
| 5647014 | Voice coil support for loudspeaker | — | 1997-07-08 |
| 5602931 | Connection line | — | 1997-02-11 |
| 5581624 | Loudspeaker suitable for high-temperature use having a non-adhesive connection between the voice coil support and the loudspeaker diaphragm | Manfred Aigner | 1996-12-03 |
| 5574797 | Suspension mount for loudspeakers | — | 1996-11-12 |
| 5546470 | Loudspeaker | Manfred Aigner | 1996-08-13 |
| 5466899 | Arrangement for active sound damping | — | 1995-11-14 |