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Ring for pulse wave tracking
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Patent number D1017438
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Issue date Mar 12, 2024
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Haiquan Yuan
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D10 - Measuring, testing, or signalling instruments
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Smart ring
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Patent number D1015325
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Issue date Feb 20, 2024
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HANGZHOU MEGASENS TECHNOLOGIES CO., LTD.
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Xiaobo Zeng
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D14 - Recording, communication, or information retrieval equipment
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Charger for smart ring
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Patent number D941239
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Issue date Jan 18, 2022
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HANGZHOU MEGASENS TECHNOLOGIES CO., LTD.
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Xiaobo Zeng
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D13 - Equipment for production, distribution, or transformation of energy