Sub-woofer
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A portion of the disclosure of this patent document contains material to which a claim for copyright is made. The copyright owner has no objection to the facsimile reproduction by anyone of the patent document or the patent disclosure, as it appears in the Patent and Trademark Office patent file or records, but reserves all other copyrights whatsoever.
The broken line showing on the drawing disclosure is for illustrative purposes only and forms no part of the claimed design.
Claims
The ornamental design for a sub-woofer, as shown and described.
Type: Grant
Filed: Sep 10, 2010
Date of Patent: Feb 21, 2012
Assignee: Sound Research Corporation (Truckee, CA)
Inventor: Thomas L. Paddock (Truckee, CA)
Primary Examiner: Nanda Bondade
Attorney: Edward B. Weller
Application Number: 29/369,680