Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11742686 | Battery device and battery charging system | Cheng-En Tsai | 2023-08-29 |
| 11633841 | Method for controlling nail-striking operation of an electric nail gun, and electric nail gun implementing the same | Cheng-En Tsai | 2023-04-25 |