Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D757685 | Sound amplifier | Gwan Woo Park | 2016-05-31 |
| D740249 | Sound amplifier | Gwan Woo Park | 2015-10-06 |
| D738847 | Sound amplifier | Gwan Woo Park | 2015-09-15 |
| D392966 | Video cassette recorder | Myun Woo Lee, Ja Ryung Koo, Eui Jeong Kim | 1998-03-31 |
| D384057 | Video cassette recorder | Myun Woo Lee, Ja Ryung Koo, Eui Jeong Kim | 1997-09-23 |