Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D287764 | Hearing aid | — | 1987-01-13 |
| D287765 | Hearing aid | — | 1987-01-13 |
| D287280 | Hearing aid | — | 1986-12-16 |
| 4585089 | Coupling element for a hearing aid | — | 1986-04-29 |
| 4575586 | Apparatus for use in the adjustment of the secondary adjustment means of a hearing aid | — | 1986-03-11 |
| 4550227 | In-the-ear hearing aid | — | 1985-10-29 |