ALEXANDRIA, Va., Feb. 11 -- United States Patent no. D1,113,020, issued on Feb. 10, was assigned to Beijing Roborock Technology Co. Ltd. (Beijing).
"Floor washing appliance" was invented by Fanwei Meng (Beijing), Zechen Yu (Beijing), Xin Li (Beijing) and Lan Huang (Beijing).
The patent was filed on June 27, 2024, under Application No. D/521,668.
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