Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9062161 | Method for preparing polymethylene polyphenyl polycarbamate | Huiquan Li, Haitao Liu, Jiaqiang Chen, Kaihua Zhang | 2015-06-23 |
| 8253375 | Battery charger with retractable contacts | Shuai Zhang | 2012-08-28 |
| 7988485 | Electrical connector | Shuai Zhang | 2011-08-02 |
| 7963779 | Electrical plug having adjustable prongs | Shuai Zhang | 2011-06-21 |