Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11404978 | Braking circuit and paper lifting device | Liu-Liang Lin | 2022-08-02 |
| D331780 | Writing instrument cap | — | 1992-12-15 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11404978 | Braking circuit and paper lifting device | Liu-Liang Lin | 2022-08-02 |
| D331780 | Writing instrument cap | — | 1992-12-15 |