Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11839830 | Portable electric foam maker | Joseph Lin, Hon Chiu Chan | 2023-12-12 |
| 11767091 | Collapsible underwater motive device | Joseph Lin, Kwong Keung Tung | 2023-09-26 |
| 10799764 | Monofin | Sin Chi Ricky Lam, Joseph Lin | 2020-10-13 |