Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10463073 | Sliding cover-opening device | Jianguo TANG, Xudong ZHENG, Xu Zeng, Chengya Wang, Shanzhai Shang +9 more | 2019-11-05 |
| 10440987 | Device for automatically detruding cigarette butt | Xu Zeng, Jianguo TANG, Xudong ZHENG, Chengya Wang, Ping Lei +6 more | 2019-10-15 |