Issued Patents 2021
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11140949 | Dock slider | — | 2021-10-12 |
| D927351 | Teeth for zipper | — | 2021-08-10 |
| 11013299 | Slider for slide fastener | Guoliang Qiu, Wei Qiu, Zongjian Lyu, Fukang Wu | 2021-05-25 |
| D913844 | Pair of stoppers for zippers | Zongjian Lyu, Wei Qiu | 2021-03-23 |