Issued Patents 2023
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11565914 | Hand lifting device and projection apparatus using the same | Chang-Ching Li | 2023-01-31 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11565914 | Hand lifting device and projection apparatus using the same | Chang-Ching Li | 2023-01-31 |