Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10285554 | Vacuum cleaner | Hwajin Lim, Changhoon Lee | 2019-05-14 |
| 10188249 | Vacuum cleaner | Jungkyu Son, Bohyun Nam, Jaeyong Park, Sehwan Bae, Geunyong Jung | 2019-01-29 |
| 10178933 | Vacuum cleaner | Changhoon Lee | 2019-01-15 |