Issued Patents 2024
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12163000 | Vibrating diaphragm of sound-producing apparatus and sound-producing apparatus | Shuqiang Wang, Chun Li, Chunfa Liu | 2024-12-10 |
| 12143791 | Vibrating diaphragm of sound-producing apparatus and sound-producing apparatus | Weifeng Peng, Chun Li, Chunfa Liu | 2024-11-12 |