Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1023148 | Art marker | Ding He, ZHI-HUA LIU, Xufeng Yang | 2024-04-16 |
| D993147 | Art marker | Ding He, ZHI-HUA LIU, Xufeng Yang | 2023-07-25 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1023148 | Art marker | Ding He, ZHI-HUA LIU, Xufeng Yang | 2024-04-16 |
| D993147 | Art marker | Ding He, ZHI-HUA LIU, Xufeng Yang | 2023-07-25 |