Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7865186 | Method for operating wired and wireless phone services interconnectively | Ji Sook Kim, Gui-Jung Lee | 2011-01-04 |
| 7388854 | System for interconnecting wired and wireless phone services and method for processing call | Gui-Jung Lee, Dong Youl Lee | 2008-06-17 |