Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7910861 | Cooking device | Wan Soo Kim, Dong Seong Kwag, Seong Ho Cho | 2011-03-22 |
| 7231687 | Vacuum cleaner with flow channel switch for blowing and sucking air | Ho-Seon Rew, Yong-Woo Lee, Choon Myun Chung | 2007-06-19 |