Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6549635 | Hearing aid with a ventilation channel that is adjustable in cross-section | — | 2003-04-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6549635 | Hearing aid with a ventilation channel that is adjustable in cross-section | — | 2003-04-15 |