Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11087636 | Lights-guided piano learning and teaching apparatus, and method | Xingxin Liu, Bin Ye | 2021-08-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11087636 | Lights-guided piano learning and teaching apparatus, and method | Xingxin Liu, Bin Ye | 2021-08-10 |