Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11963620 | Flat wiredrawing mattress | — | 2024-04-23 |
| 11793321 | Built-in air pump assembly | Vincent W. S. Lau | 2023-10-24 |
| 11317731 | Built-in air pump assembly | Vincent W. S. Lau | 2022-05-03 |
| 11143310 | Air valve | — | 2021-10-12 |
| 10786089 | Built-in air pump assembly | Vincent W. S. Lau | 2020-09-29 |
| 10570911 | Built-in air pump | Vincent W. S. Lau | 2020-02-25 |
| 10273966 | Built-in air pump | Vincent W. S. Lau | 2019-04-30 |