US Patent D664115 Ear cup for a headset

Patent D664115 was granted and assigned to 3M on July, 2012 by the United States Patent and Trademark Office.

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Patent Inventor Names

Martin Allard0

Robert Karlsson0

Niklas Emilsson0

Date of Patent

July 24, 2012

Patent Application Number

29398655

Date Filed

August 3, 2011

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