Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D652017 | Communication headset | William R. Groves, David P. Townsend | 2012-01-10 |
| D617771 | Communication headset | William R. Groves, David P. Townsend | 2010-06-15 |
| D602906 | Communication headset | William R. Groves, David P. Townsend | 2009-10-27 |