Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6831987 | Directional microphone assembly | Mead C. Killion, Jonathan K. Stewart, Don Wilson, Matthew Roberts, Steve Iseberg | 2004-12-14 |
| 6798890 | Directional microphone assembly | Mead C. Killion, Robert B. Schulein, Viorel Drambarean, Andrew J. Haapapuro, John S. French | 2004-09-28 |