Issued Patents 2020
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D891599 | Air purifier | Man Li, Xuefeng Sun, Kin Hang Siu | 2020-07-28 |
LL
Liliang Liu
Overall (2020): #374,727 of 565,922Top 70%
1
Patents 2020