Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10032572 | Sealing mechanism and push-button device | Zi Qi Chu, Zhi Xing Ruan | 2018-07-24 |
| 9934914 | Heart-shaped self-locking button | Wei Ge, Ling Xi Li, Song Liu, Lei Tao | 2018-04-03 |
| 9711300 | Switch and button thereof | Zhi-Zeng Cheng, Jian Liu, Shi Bo Yin, Rudolf Zimmermann | 2017-07-18 |