US Patent D704824 Respirator having folded nose region

Patent D704824 was granted and assigned to 3M on May, 2014 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

D7048240

Patent Inventor Names

Dean R. Duffy0

Philip D. Eitzman0

Date of Patent

May 13, 2014

Patent Application Number

293645810

Date Filed

June 25, 2010

Patent Citations Received

‌

US Patent 11766079 Face mask and method of making the same

‌

US Patent D989285 Face mask

Patent Primary Examiner

‌

Richard E. Chilcot, Jr.

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