Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5008058 | Method for manufacturing an otoplastic or an ear adaptor member | Rainer Basel | 1991-04-16 |
| 4680799 | Hearing aid | — | 1987-07-14 |
| 4628527 | Mini hearing aid | Walter Puchta | 1986-12-09 |