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Patent applications and USPTO patent grants for Housholder; Michael David.The latest application filed is for "acoustic transducer, wearable sound device and manufacturing method of acoustic transducer".
Patent | Date |
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Acoustic transducer, wearable sound device and manufacturing method of acoustic transducer Grant 11,399,228 - Liang , et al. July 26, 2 | 2022-07-26 |
Acoustic transducer, wearable sound device and manufacturing method of acoustic transducer Grant 11,323,797 - Liang , et al. May 3, 2 | 2022-05-03 |
Acoustic Transducer, Wearable Sound Device And Manufacturing Method Of Acoustic Transducer App 20220014836 - Liang; Jemm Yue ;   et al. | 2022-01-13 |
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