Audio amplifier
The broken lines are included for the purpose of showing environmental structure that forms no part of the design.
Claims
I claim the ornamental design for audio amplifier, as shown and described.
Type: Grant
Filed: Jul 23, 2014
Date of Patent: Dec 29, 2015
Assignee: D&M Holdings, Inc. (Kanagawa)
Inventor: Reiko Ito (Kanagawa)
Primary Examiner: Sandra Morris
Application Number: 29/497,347