Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6785544 | Call processing method capable of home-zone additional services in mobile communication system | Jung-Yul Park, Dong-Soo Ban, Jung Eun Choi, Keun-Chool Yoo | 2004-08-31 |