Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D301616 | Angulated single port coupler for resonance splitting in hearing aids | — | 1989-06-13 |
| D300660 | Single port coupler for resonance splitting in hearing aid | — | 1989-04-11 |
| 4565904 | Removal handle for in-the-ear hearing aids | — | 1986-01-21 |
| 4375016 | Vented ear tip for hearing aid and adapter coupler therefore | — | 1983-02-22 |
| D267429 | Vented ear tip for hearing aid | — | 1982-12-28 |