Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D569743 | 7 day mechanical plug-in timer | Yu Xiang | 2008-05-27 |
| D565984 | Occupancy sensor | Yu Xiang | 2008-04-08 |
| D470108 | Electrical outlet with ground fault circuit interrupter | Wang Daoxian, Miu Zhidong, Chen Yiping | 2003-02-11 |