Issued Patents 2018
Showing 1–2 of 2 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 |