Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1019595 | Speaker | — | 2024-03-26 |
| D1015298 | Speaker | — | 2024-02-20 |
| D1003346 | Piano keyboard | — | 2023-10-31 |
| 9640984 | Current limiting device, current limiter and current limiting system for power grid | Shaogui Al, Chuan Wang, Yiping Fan, Guoyong Zhang, Yanjun Li +2 more | 2017-05-02 |