Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7197350 | Device for determining acoustically evoked brainstem potentials | — | 2007-03-27 |
| 4748598 | Method to calibrate acoustic instruments, and calibration system | — | 1988-05-31 |
| 4689820 | Hearing aid responsive to signals inside and outside of the audio frequency range | Albert Eggert, Peter Wiener, Gerd-Wolfgang Gotze, Rainer Maas | 1987-08-25 |
| 4395601 | Modular hearing aid | Manfred Muller, Wolfgang Schmidt, Albert Eggert, Erwin Gahleitner, Gerhard Raupach | 1983-07-26 |