US Patent D807584 Hearing protector
Patent D807584 was granted and assigned to 3M on January, 2018 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
December 17, 2015
Date of Patent
January 9, 2018
Patent Applicant
Patent Application Number
29548934
Patent Citations Received
Patent Inventor Names
Douglas D. Fletcher
0
Eric O. Hemberg
0
Nicolas A. Echeverri
0
Oscar M. Hemberg
0
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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