Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D473150 | Cooking thermometer transmitter | Charles Wong Tak Chung, Michelle Cheng Kin Cheung, Ken Hong, So Si Kin | 2003-04-15 |
| D472480 | Cooking thermometer receiver | Charles Wong Tak Chung, Michelle Cheng Kin Cheung, Ken Hong, So Si Kin | 2003-04-01 |