Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6830876 | Acoustic resistor for hearing improvement and audiometric applications, and method of making same | Mead C. Killion | 2004-12-14 |
| 6798890 | Directional microphone assembly | Mead C. Killion, Robert B. Schulein, Timothy S. Monroe, Viorel Drambarean, John S. French | 2004-09-28 |