Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11910852 | Facemask with automated voice display | Doug Bergman, David Thomson, Kerry D. Brown | 2024-02-27 |
| 10431237 | Device and method for adjusting speech intelligibility at an audio device | Maurice D. Howell, Juan J. Giol, Christian Ibarra | 2019-10-01 |
| 7791499 | Dynamic siren detection and notification system | Phillip A. Hetherington | 2010-09-07 |