Issued Patents 2020
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10738818 | Elastic washer structure and fastener | Guohua FAN, Xiong Hu | 2020-08-11 |
DS
Dingnan Song
Overall (2020): #489,766 of 565,922Top 90%
1
Patents 2020