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US Patent D912644 Open-ear headphones

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Contents

Is a
Patent
Patent

Patent attributes

Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
D912644
Patent Inventor Names
Qingquan Liu0
Date of Patent
March 9, 2021
Patent Application Number
29746132
Date Filed
August 12, 2020
Patent Citations Received
‌
US Patent D1050071 Headphones
0
0
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US Patent D1044767 Earphone
0
‌
US Patent D1046812 Headphones
0
‌
US Patent D1049074 Bone conduction headphone
0
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US Patent D992525 Bone conduction headphone
0
‌
US Patent D993211 Wearable smart headphones
0
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US Patent D1006782 Bone conduction earphone
0
...
Patent Primary Examiner
‌
Paula Allen Greene
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