Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6700985 | Ear level noise rejection voice pickup method and apparatus | — | 2004-03-02 |
| 6681022 | Two-way communication earpiece | Steven H. Puthuff, Patrick A. Mavrakis, David L. Luger, William N. Buchele | 2004-01-20 |