Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11147421 | Handy-stick type vacuum cleaner | Dong Hyun Lee, Dong-hun Yoo | 2021-10-19 |
TL
Tae Woon Lim
Overall (2021): #241,555 of 548,734Top 45%
1
Patents 2021