Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11517165 | Cleaner | Seungyeop Lee, Kietak Hyun, Sejin Yook, Junhyung Lim | 2022-12-06 |
| 11330947 | Cyclone type dust collector and cleaner having the same | Kietak Hyun, Seungyeop Lee | 2022-05-17 |