Issued Patents 2022
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11360583 | Electromagnetic fountain pen | Liming Deng | 2022-06-14 |
| 11360922 | Three-in-one multimedia cable and electronic drawing board system | — | 2022-06-14 |
| 11287906 | Passive electromagnetic fountain pen | Liming Deng | 2022-03-29 |
| 11256344 | Passive electromagnelic pen | Liming Deng | 2022-02-22 |