Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8939070 | Juicer | William Shu Sang Cheung, To Yin Pang | 2015-01-27 |
| 8661943 | Four-speed drive system for motor-driven appliances | Shu Sang Cheung, To Yin Pang | 2014-03-04 |
| 8506437 | Two-speed drive system for motor-driven appliances | Shu Sang Cheung, To Yin Pang | 2013-08-13 |
| 8382627 | Multiple drive system for food processor and mixer | Chi Yin Chung, Wang Kei Kong | 2013-02-26 |