ALEXANDRIA, Va., Sept. 17 -- United States Patent no. D1,093,497, issued on Sept. 16, was assigned to Shenzhen Tengjiu Technology Co. Ltd. (Wushan County, China).
"Bubble machine" was invented by Yang Wang (Chongqing, China).
The patent was filed on Jan. 22, 2025, under Application No. D/983,518.
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