Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11627440 | Method for improved audio intelligibility in a converged communication system | Lisajane M. Romer, Cesar D. Aguilar, Harvey D Chambers, Dajun Chen | 2023-04-11 |
| 11178279 | Device, system and method for scanning communication systems of different types | Shivakumar Bangalore Ramu, David R. Mills, Dajun Chen | 2021-11-16 |
| 10993087 | Communication systems with call interrupt capabilities | Shivakumar Bangalore Ramu | 2021-04-27 |
| 9473188 | Method and apparatus for operating a portable radio communication device in a dual-watch mode | Jesus F. Corretjer, Charles H. Carter | 2016-10-18 |
| 9344532 | Method and apparatus for operating a radio communication device to efficiently propagate emergency signals | Jesus F. Corretjer, Cesar D. Aguilar | 2016-05-17 |