Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10166661 | Electronic device for checking fastening state of screws | Guo Liang Huang, Bao-Rui Han, Yan Zhang, Xiao-Kui Xu | 2019-01-01 |
RS
RONG-YUN SUN
Hongfujin Precision Electronics (Zhengzhou) Co.: 1 patents #60 of 159Top 40%
Overall (All Time): #2,835,670 of 4,157,543Top 70%
1
Patents All Time