ALEXANDRIA, Va., July 9 -- United States Patent no. D1,083,047, issued on July 8, was assigned to Shenzhen Xinyuyou Technology Co. Ltd (Shenzhen, China).
"White noise machine" was invented by Zenghong Liu (Dongguan, China).
The patent was filed on June 30, 2023, under Application No. D/879,108.
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