Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6766173 | Reconnection of dropped call in mobile communication system | Kyung-Joon Chun | 2004-07-20 |
| 6754498 | Reconnection of dropped call in mobile communication system | Kyung-Joon Chun | 2004-06-22 |