Issued Patents 2019
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10492652 | Dust collector for vacuum cleaner | Kietak Hyun, Seungyeop Lee | 2019-12-03 |
| 10285551 | Dust collector and vacuum cleaner having the same | Kietak Hyun, Hyungsoon Lee | 2019-05-14 |
| 10271701 | Dust collector and vacuum cleaner having the same | Kietak Hyun, Hyungsoon Lee, Soohan Eo, Sangchul Lee, Jungmin Ko | 2019-04-30 |
| 10194778 | Dust collector for vacuum cleaner | Kietak Hyun, Seungyeop Lee | 2019-02-05 |