US Patent D657050 Respiratory mask

Patent D657050 was granted and assigned to 3M on April, 2012 by the United States Patent and Trademark Office.

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Patent

Patent attributes

Current Assignee

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

D657050

Patent Inventor Names

Audra A. Wilson0

John M. Facer0

Christopher P. Henderson0

Date of Patent

April 3, 2012

Patent Application Number

29279564

Date Filed

May 3, 2007

Patent Citations Received

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US Patent D989285 Face mask

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US Patent 11766079 Face mask and method of making the same

Patent Primary Examiner

Ian Simmons

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