Back massager
Any broken line illustrations of the drawings represent environmental structure and do not form a part of the claimed design.
Claims
We claim the ornamental design for a back massager, as shown and described.
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Type: Grant
Filed: Dec 9, 2014
Date of Patent: Nov 10, 2015
Inventors: Andrea H. Cao (San Luis Obispo, CA), Hong Cao (San Luis Obispo, CA)
Primary Examiner: Sandra Snapp
Application Number: 29/511,334