PATLY.AIApplication
17146887 · MICRO SPEAKER UNIT WITH A WATERPROOF EFFECT
Filed 2021-01-12 · Granted · Patent 11277693 (2022-03-15) The official file ↗The patent and its PDF ↗ · Art unit 2651 · Examiner Sean H Nguyen Easy · CPC H04R 9/06 · CONCRAFT HOLDING CO., LTD. · Muncy, Geissler, Olds & Lowe, P.C.
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