Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10109165 | Notification device | Guo Liang Han, Li Ren | 2018-10-23 |
| 9858772 | Lens, light-emitting device having the lens, and visual notification appliance | — | 2018-01-02 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10109165 | Notification device | Guo Liang Han, Li Ren | 2018-10-23 |
| 9858772 | Lens, light-emitting device having the lens, and visual notification appliance | — | 2018-01-02 |