Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9932728 | Flush valve assembly and toilet flush system incorporating the same | — | 2018-04-03 |
| 9663933 | Toilet apparatus | Kai Chi Chan, Yu Chi Lok | 2017-05-30 |
| 9228334 | Liquid-operated actuator assembly, particularly for a flush toilet, and flush toilet incorporating the assembly | Kai Chi Chan, Alec Kam Lek Quan | 2016-01-05 |