Portable display device
The broken lines in
Claims
The ornamental design for a portable display device, as shown and described.
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Type: Grant
Filed: Jun 29, 2015
Date of Patent: Jul 10, 2018
Assignee: TRONXYZ TECHNOLOGY CO., LTD. (Shenzhen)
Inventors: Zhirong Zeng (Shenzhen), Qi Ban (Shenzhen)
Primary Examiner: Barbara G Fox
Assistant Examiner: Dana K Weiland
Application Number: 29/531,767