Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10253968 | Push-button switch operating portion with diverging and converging lens | Zhi-Zeng Cheng, Jian Liu, Radek Melich, Hua Lang Wang, Hong Yang +1 more | 2019-04-09 |
| 9934914 | Heart-shaped self-locking button | Zhong Hui Chen, Wei Ge, Ling Xi Li, Lei Tao | 2018-04-03 |