Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11364397 | Double-layer light-transmissive face mask | — | 2022-06-21 |
| 10443810 | Disposable dual walls lampshade insect trap | Fangye Zhang, Shifang Xu | 2019-10-15 |
| 9201476 | Bagged cooling stand for laptop computer | Shifang Xu | 2015-12-01 |
| 7744683 | Transparent filterable dust bag with support container for vacuum cleaner | — | 2010-06-29 |