Portable white noise machine
Description
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Claims
The ornamental design for a portable white noise machine, as shown and described.
Referenced Cited
Patent History
Patent number: D919662
Type: Grant
Filed: Nov 20, 2019
Date of Patent: May 18, 2021
Assignee: SHENZHEN INSPIRATION TECHNOLOGY CO. LTD. (Guandong)
Inventor: Chaofeng Sun (Shenzhen Guangdong)
Primary Examiner: Katie Jane Stofko
Application Number: 29/714,032
Type: Grant
Filed: Nov 20, 2019
Date of Patent: May 18, 2021
Assignee: SHENZHEN INSPIRATION TECHNOLOGY CO. LTD. (Guandong)
Inventor: Chaofeng Sun (Shenzhen Guangdong)
Primary Examiner: Katie Jane Stofko
Application Number: 29/714,032
Classifications
Current U.S. Class:
Video Or Audio Transmission, Recording Or Playback Equipment (D14/496)