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| 12200459 |
Vibrating diaphragm of sound-producing apparatus and sound-producing apparatus |
Shuqiang Wang, Fengguang Ling, Chunfa Liu |
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| 12163000 |
Vibrating diaphragm of sound-producing apparatus and sound-producing apparatus |
Shuqiang Wang, Fengguang Ling, Chunfa Liu |
2024-12-10 |
| 12143791 |
Vibrating diaphragm of sound-producing apparatus and sound-producing apparatus |
Weifeng Peng, Fengguang Ling, Chunfa Liu |
2024-11-12 |
| 11962986 |
Speaker diaphragm and speaker |
Ting Wang, Guodong Zhao, Jie Zhu, Chunfa Liu |
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| 11825285 |
Speaker diaphragm and speaker |
Ting Wang, Guodong Zhao, Jie Zhu, Chunfa Liu |
2023-11-21 |
| 11818559 |
Speaker diaphragm and speaker |
Ting Wang, Guodong Zhao, Jie Zhu, Chunfa Liu |
2023-11-14 |
| 11800287 |
Speaker diaphragm and speaker |
Ting Wang, Guodong Zhao, Jie Zhu, Chunfa Liu |
2023-10-24 |
| 11800288 |
Diaphragm for sound generating device and sound generating device |
Shuqiang Wang, Bing Hui, Fengguang Ling, Chunfa Liu |
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| 11470425 |
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Ting Wang, Guodong Zhao, Jie Zhu, Chunfa Liu |
2022-10-11 |
| 11457317 |
Speaker |
Ting Wang, Guodong Zhao, Jie Zhu, Chunfa Liu |
2022-09-27 |
| 11457316 |
Speaker diaphragm and speaker |
Ting Wang, Guodong Zhao, Jie Zhu, Chunfa Liu |
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| 11317211 |
Speaker diaphragm and speaker |
Ting Wang, Guodong Zhao, Jie Zhu, Chunfa Liu |
2022-04-26 |
| 9987431 |
Tri-ring syringe |
Yunxing Liu |
2018-06-05 |
| 9901718 |
Balloon pressure pump |
Yunxing Liu |
2018-02-27 |
| 9730661 |
Manifold valve device |
Yunxing Liu |
2017-08-15 |
| 8478385 |
Rotary medical manifold |
Yunxing Liu |
2013-07-02 |
| 8412310 |
Locking syringe with integrated bias member |
Yunxing Liu |
2013-04-02 |