Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8261580 | Apparatus to reinforce a drum washing machine | Jae-Myong Kim, Koang Hun Ryu | 2012-09-11 |
| 7805965 | Apparatus to reinforce a drum washing machine | Jae-Myong Kim, Koang Hun Ryu | 2010-10-05 |
| 7322217 | Drum type washing machine | Hyun-Sook Kim, Hyoung Roh | 2008-01-29 |
| 7010942 | Drum type washing machine | Doo Young Ryu | 2006-03-14 |
| 6981395 | Drum type washing machine | Doo Young Ryu | 2006-01-03 |
| 6612138 | Drum washing machine | Doo Young Ryu | 2003-09-02 |