Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6408057 | Telephone line interfacing circuit used for both voice and non-voice terminals and method for controlling the same | Young-Soo Lee, Hyun-Chang Yoo, Young Chul Kim | 2002-06-18 |