Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1055158 | Pen | Weifeng Lu | 2024-12-24 |
| 11787222 | Two-color pen | Weifeng Lu | 2023-10-17 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1055158 | Pen | Weifeng Lu | 2024-12-24 |
| 11787222 | Two-color pen | Weifeng Lu | 2023-10-17 |