Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7809391 | Optimizing talk burst control process in a PTT communication network | — | 2010-10-05 |
| 7792540 | Synchronizing push to talk service in wireless communication system | Se-Hee Lee | 2010-09-07 |