Issued Patents 2023
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11556191 | Control method for portable read-write pen and portable read-write pen | Feng Hu, Zhen Zhang | 2023-01-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11556191 | Control method for portable read-write pen and portable read-write pen | Feng Hu, Zhen Zhang | 2023-01-17 |