Issued Patents All Time
Showing 1–2 of 2 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, Sang-yong Han, Young Chul Kim | 2002-06-18 |
| 5892594 | Multipage document copying technique for facsimile machine | — | 1999-04-06 |