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US Patent D838823 Air purifier

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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
D838823
Patent Inventor Names
Xianghui Yu0
Date of Patent
January 22, 2019
Patent Application Number
29613392
Date Filed
August 9, 2017
Patent Citations Received
0
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US Patent 11872330 Volatile composition dispenser with increased membrane exposure and volatile composition weight loss
0
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US Patent D1013131 Heater
0
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US Patent D1029223 Air freshening device
0
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US Patent D1030016 Fan heater
0
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US Patent D988491 Air freshener device
0
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US Patent D989259 Space heater
0
Patent Primary Examiner
‌
David G Muller
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