Portable white noise machine
The broken lines in the figures illustrate the portions of the portable white noise machine and form no part of the claimed design. The dot-dash broken lines of
Claims
The ornamental design for a portable white noise machine, substantially as shown and described.
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Type: Grant
Filed: Mar 25, 2022
Date of Patent: Jun 4, 2024
Assignee: Shenzhen Lutejiacheng Network Technology Co., Ltd. (Shenzhen)
Inventor: Wanyi Guo (Shenzhen)
Primary Examiner: Janice Patyk
Application Number: 29/832,238