Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6477138 | Disc cartridge with gearing shutters and disc driver for driving the same | Won Hyoung Cho, Jong Rak Lim | 2002-11-05 |
| 6407981 | Disc cartridge adapter and disc driver for driving the same | Won Hyoung Cho, Jong Rak Lim | 2002-06-18 |