Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7072480 | Hearing aid system with a hearing aid and an external processor unit | — | 2006-07-04 |
| 6920227 | Active noise suppression for a hearing aid device which can be worn in the ear or a hearing aid device with otoplastic which can be worn in the ear | Josef Chalupper, Werner Lipski | 2005-07-19 |