Issued Patents 2024
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12143791 | Vibrating diaphragm of sound-producing apparatus and sound-producing apparatus | Fengguang Ling, Chun Li, Chunfa Liu | 2024-11-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12143791 | Vibrating diaphragm of sound-producing apparatus and sound-producing apparatus | Fengguang Ling, Chun Li, Chunfa Liu | 2024-11-12 |