Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4315111 | Hearing aid with remote momentary shut off switch | — | 1982-02-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4315111 | Hearing aid with remote momentary shut off switch | — | 1982-02-09 |