Issued Patents 2022
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11517165 | Cleaner | Kietak Hyun, Changgun LEE, Sejin Yook, Junhyung Lim | 2022-12-06 |
| 11445879 | Dust collector for vacuum cleaner | Kietak Hyun, Hyukjin Ahn | 2022-09-20 |
| 11330947 | Cyclone type dust collector and cleaner having the same | Kietak Hyun, Changgun LEE | 2022-05-17 |