Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6970720 | Service apparatus for a public and private mobile communication network | Ha-Hong Kim, Gui-Jung Lee | 2005-11-29 |
| 6912388 | Providing roaming service among private mobile switching centers | — | 2005-06-28 |