Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5703957 | Directional microphone assembly | — | 1997-12-30 |
| D384357 | Directional microphone | William J. McLaughlin, Dennis J. Wasserman, Christopher Todd Welsh | 1997-09-30 |
| D381024 | Directional microphone | Gregory S. Hinzmann, Mark S. Kimbrough, Christopher Todd Welsh | 1997-07-15 |