ALEXANDRIA, Va., Feb. 3 -- United States Patent no. D1,111,271, issued on Feb. 3, was assigned to Shenzhen AIWASIJI Internet Technology Co. Ltd. (Guangdong, China).
"Steam cleaner" was invented by Ying Shi (Guangdong, China).
The patent was filed on Dec. 24, 2024, under Application No. D/980,392.
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