Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D913065 | Electric stapler | Siu Leung Chan, Lan Tu | 2021-03-16 |
| D897429 | Electric punch | Siu Leung Chan, Jiwu Liang, Lan Tu | 2020-09-29 |
| 10759078 | EG-1680 three hole electric puncher | Siu Leung Chan, Jiwu Liang, Xinsheng Xiao | 2020-09-01 |