Issued Patents 2017
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9841148 | Electrical connection structure of lamp cap | Qiyuan Wang, Liping Lin | 2017-12-12 |
| 9719638 | Electrical connection structure of lamp cap | Qiyuan Wang, Liping Lin | 2017-08-01 |
| 9605811 | Electrical connection structure of lamp cap | Qiyuan Wang, Liping Lin | 2017-03-28 |