Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6666295 | Acoustic resistor for hearing improvement and audiometric applications, and method of making same | Andrew J. Haapapuro | 2003-12-23 |
| 6567526 | Directional microphone assembly | Jonathan K. Stewart, Don Wilson, Matthew Roberts, Steve Iseberg, Timothy S. Monroe | 2003-05-20 |