Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11147421 | Handy-stick type vacuum cleaner | Dong Hyun Lee, Tae Woon Lim | 2021-10-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11147421 | Handy-stick type vacuum cleaner | Dong Hyun Lee, Tae Woon Lim | 2021-10-19 |