ALEXANDRIA, Va., March 17 -- United States Patent no. D1,118,759, issued on March 17, was assigned to Shantou Mengmenghai Toys Co. Ltd. (Shantou, China).
"Bubble machine" was invented by Huankai Gao (Shantou, China).
The patent was filed on Nov. 11, 2024, under Application No. D/972,528.
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