Portable battery for head mount display device
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Claims
The ornamental design for a portable battery for head mount display device, as shown and described.
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Type: Grant
Filed: Apr 14, 2014
Date of Patent: Apr 14, 2015
Assignee: LG Electronics Inc. (Seoul)
Inventors: Hophil Lee (Gyeonggi-do), Eunseok Choi (Gyeonggi-do), Seungbeom Park (Gyeonggi-do)
Primary Examiner: Rosemary K Tarcza
Application Number: 29/487,879