Issued Patents 2020
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10646083 | Vacuum cleaner with angled wheels | Dong-Jun KIM, Kyoung-woung Kim | 2020-05-12 |
DL
Do Kyung LEE
Overall (2020): #487,596 of 565,922Top 90%
1
Patents 2020