US Patent D998785 Respiratory mask
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US Patent D998785 Respiratory mask
Infobox
Is a
Patent Jurisdiction
Patent Number
D998785
Patent Inventor Names
Devisri Shobana M K Mathavan
Date of Patent
September 12, 2023
Patent Application Number
29724659
Date Filed
February 18, 2020
Patent Citations
Patent Primary Examiner
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