Issued Patents 2017
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9841148 | Electrical connection structure of lamp cap | Yunnan Lin, Liping Lin | 2017-12-12 |
| 9719638 | Electrical connection structure of lamp cap | Yunnan Lin, Liping Lin | 2017-08-01 |
| 9636636 | Combination unit and combination method of multiple membrane shells | Youqing Li, Jingbo An, Yucheng Li | 2017-05-02 |
| 9605811 | Electrical connection structure of lamp cap | Yunnan Lin, Liping Lin | 2017-03-28 |