Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7089176 | Method and system for increasing audio perceptual tone alerts | Marc Boillot, Audley F. Patterson | 2006-08-08 |
| 6122488 | Method and apparatus for increasing an output impedance of a transmit amplifier during receive mode of a two-way communication unit | Gustavo Dario Leizerovich | 2000-09-19 |