Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9576774 | Plasma wavguide using step part and block part | Sung Ok Kang, Min Heum Eum | 2017-02-21 |
| 7686114 | Traveling outdoor health machine and the control method | — | 2010-03-30 |