Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11696613 | Helmet with gear-constraint transformable chin guard structure | — | 2023-07-11 |
| 11241061 | Helmet shield opening mechanism and helmet with changeable jaw guard equipped with the same | Xinsheng Liu | 2022-02-08 |
| 10143259 | Helmet with transformable jaw protecting structure based on gear constraint | Youjun Feng | 2018-12-04 |