US Patent 8887726 Respiratory mask

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Is a

Patent

Patent attributes

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

8887726

Patent Inventor Names

Gerd Schulz0

Martin Eifler0

Date of Patent

November 18, 2014

Patent Application Number

11883822

Date Filed

September 1, 2005

Patent Citations Received

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US Patent 12115313 Respiratory interface

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US Patent 11766534 Respiratory interface

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US Patent D1021068 Unit end connector

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US Patent 11992585 Electro-ionic devices for improved protection from airborne biopathogens

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US Patent 12017232 Electro-ionic mask devices for improved protection from airborne biopathogens

Patent Primary Examiner

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Valerie L Skorupa

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