White noise machine
The dot-dash broken lines seen in
Claims
The ornamental design for a white noise machine, as shown and described.
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D881161 | April 14, 2020 | Chen |
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D886772 | June 9, 2020 | Xiong |
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Type: Grant
Filed: Nov 16, 2020
Date of Patent: May 10, 2022
Inventor: Zhixiang Kuang (Shenzhen)
Primary Examiner: Keli L Hill
Application Number: 29/758,531