Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10283288 | Vacuum switching apparatus, and contact assembly and method of securing an electrical contact to an electrode therefor | Yucheng Li, Wangpei Li, Xuefei Chen | 2019-05-07 |
| 10237637 | Connected speaker device comprising latch system | Yixian Xu, Yi Zhang, Zhiqin Wang, Bingyao Yan | 2019-03-19 |
| 10175082 | Plastic cover capable of quantitatively discharging powder | — | 2019-01-08 |