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US Patent D921511 Doorbell

OverviewStructured DataIssuesContributors
Is a
Patent
Patent
Date Filed
January 7, 2020
Date of Patent
June 8, 2021
Patent Application Number
29719649
Patent Citations Received
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US Patent D1024822 Audio/video doorbell and door viewer
0
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US Patent D1048912 Smart battery video doorbell
0
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US Patent 12081903 Audio/video device with viewer
0
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US Patent D1025803 Audio/video doorbell and door viewer
0
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US Patent D1010485 Contactless sensor unit for automatic door
0
Patent Inventor Names
Jun Li
0
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
D921511
Patent Primary Examiner
‌
George D. Kirschbaum

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