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US Patent D1001271 Respirator

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Is a

Patent

Patent attributes

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

D1001271

Patent Inventor Names

Ziqian Wu

Date of Patent

October 10, 2023

Patent Application Number

29797496

Date Filed

June 30, 2021

Patent Citations

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US Patent D764656 Compact mask with changeable filters

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US Patent D849239 Respirator mask

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US Patent D987069 Face mask

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US Patent D968031 Protective face mask

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US Patent D989945 Respirator

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US Patent D639932 Frame for respiratory mask

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US Patent D645956 Half mask filter respirator

Patent Primary Examiner

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