ALEXANDRIA, Va., Aug. 5 -- United States Patent no. D1,140,436, issued on Aug. 4, was assigned to Shenzhen Chenbei Technology Co. Ltd. (Shenzhen, China).
"Vacuum cleaner" was invented by Weiyu Zheng (Shenzhen, China).
The patent was filed on Dec. 13, 2023, under Application No. D/920,893.
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