ALEXANDRIA, Va., Oct. 21 -- United States Patent no. D1,155,123, issued on Oct. 20, was assigned to Beijing Roborock Technology Co. Ltd. (Beijing).
"Cleaner head of floor cleaning appliance" was invented by Zhipengcheng Bao (Beijing), Fanwei Meng (Beijing) and Jinpeng Zheng (Beijing).
The patent was filed on Feb. 8, 2025, under Application No. D/524,195.
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