Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11838720 | Vibration and sound-making apparatus and electronic device | Tong Zhu, Ligang Yu, Chunjian Li | 2023-12-05 |
| 11716977 | Continuous feeding device for predatory mites and feeding method thereof | Jianping Zhang, Zhiping Cai | 2023-08-08 |