ALEXANDRIA, Va., April 21 -- United States Patent no. D1,123,273, issued on April 21, was assigned to Jiangsu Prestin Smart Home Co. Ltd. (Huai'an, China).
"Vacuum cleaner" was invented by Wugang Zhang (Huai'an, China).
The patent was filed on Nov. 13, 2024, under Application No. D/973,029.
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