ALEXANDRIA, Va., July 7 -- United States Patent no. D1,133,334, issued on July 7, was assigned to Ningbo Shanen Electric Appliance Co. Ltd. (Yuyao, China).
"Vacuum cleaner" was invented by Yuliang Zhang (Yuyao, China).
The patent was filed on March 7, 2024, under Application No. D/931,524.
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