Issued Patents 1994
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5373555 | Unidirectional ear microphone and gasket | Charles L. McClendon | 1994-12-13 |
| 5363444 | Unidirectional ear microphone and method | — | 1994-11-08 |
| 5313663 | Ear mounted RF receiver | — | 1994-05-17 |
| 5280524 | Bone conductive ear microphone and method | — | 1994-01-18 |