Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7430299 | System and method for transmitting audio via a serial data port in a hearing instrument | Stephen Armstrong | 2008-09-30 |
| 7409068 | Low-noise directional microphone system | Jim Ryan | 2008-08-05 |
| 7242778 | Hearing instrument with self-diagnostics | Jim Ryan, Stephen Armstrong | 2007-07-10 |