Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1088161 | Inflatable tube for aquatic activity | — | 2025-08-12 |
| D1050109 | LCD writing tablet | — | 2024-11-05 |
| D982082 | Drawing board | Zhitian Li, Haican Zheng | 2023-03-28 |
| D966410 | Writing board with pen set | Zhitian Li, Haican Zheng | 2022-10-11 |