Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7933620 | Transmit channel request messaging for half-duplex voice communications systems | Sing Janus Yau | 2011-04-26 |
| 7885615 | Push-to-talk handling in a dual processor environment | Arun Munje, Xiaona An | 2011-02-08 |