Sound amplifier
Broken lines are included herein for illustrative purposes only and form no part of the claimed design.
Claims
The ornamental design of a sound amplifier, as shown and described.
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Type: Grant
Filed: Jun 24, 2014
Date of Patent: May 31, 2016
Inventors: Gwan Woo Park (Seoul), Jae Hyung Byun (Seoul)
Primary Examiner: Paula Greene
Application Number: 29/494,769