Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7702124 | Electroacoustic miniature transducer for a hearing aid | Joseph Sauer | 2010-04-20 |
| 7245734 | Directional microphone | — | 2007-07-17 |
| 6563933 | Electromagnetic transducer for generating sound in hearing aids, particularly electronic hearing aids | — | 2003-05-13 |