Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7796522 | System and method for performing traffic process in integrated network of voice-over internet protocol network and public switched telephone network | Hyun Jeong Lee, Byung Sun Lee, Dae Ung Kim | 2010-09-14 |