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US Patent 7909918 Air filtration system

OverviewStructured DataIssuesContributorsActivity
Is a
Patent
Patent
Date Filed
August 15, 2007
Date of Patent
March 22, 2011
Patent Application Number
11893159
Patent Citations Received
‌
US Patent 11992585 Electro-ionic devices for improved protection from airborne biopathogens
0
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US Patent 12017232 Electro-ionic mask devices for improved protection from airborne biopathogens
0
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
7909918
Patent Primary Examiner
‌
Richard L. Chiesa

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