US Patent D684253 Cylinder earplug
Patent D684253 was granted and assigned to Moldex-Metric, Inc. on June, 2013 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
February 24, 2011
Date of Patent
June 11, 2013
Patent Application Number
29373064
Patent Citations Received
Patent Inventor Names
Fred Ryan
0
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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