Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11134657 | Pet leash preventing locking due to jerk | Wenwei Tang, Qingfeng Dai, Di Fang, Ying Tang | 2021-10-05 |
| 10834903 | Double rope pet leash | Wenwei Tang, Qingfeng Dai, Zhaoxin Wu, Ying Tang | 2020-11-17 |