Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D712837 | Case of electrical receptacle | Chi-Cheng Chuang, Ji-Tsong Shieh, Chung-Shih Sun | 2014-09-09 |
| D693306 | Case of electrical receptacle | Chi-Cheng Chuang, Ji-Tsong Shieh, Chung-Shih Sun | 2013-11-12 |