Issued Patents 2022
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11457782 | Robot cleaner | Changhwa SUN | 2022-10-04 |
| 11419470 | Cleaner | Seungjin Lee, Sangik Lee | 2022-08-23 |
| 11253122 | Suction nozzle and cleaner | Changhwa SUN | 2022-02-22 |
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11457782 | Robot cleaner | Changhwa SUN | 2022-10-04 |
| 11419470 | Cleaner | Seungjin Lee, Sangik Lee | 2022-08-23 |
| 11253122 | Suction nozzle and cleaner | Changhwa SUN | 2022-02-22 |