ALEXANDRIA, Va., Sept. 24 -- United States Patent no. D1,148,459, issued on Sept. 22, was assigned to Shenzhen xiaohongbao Technology Co. Ltd (Shenzhen, China).
"Milk foamer" was invented by Sheng Yin (Hunan Province, China).
The patent was filed on Nov. 28, 2025, under Application No. D/035,288.
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