ALEXANDRIA, Va., Aug. 20 -- United States Patent no. D1,089,523, issued on Aug. 19, was assigned to SHENZHEN QIAOHUA INDUSTRIES Ltd. (Shenzhen, China).
"Fog bubble machine" was invented by Ruishi Yang (Shenzhen, China).
The patent was filed on Oct. 24, 2023, under Application No. D/914,927.
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