ALEXANDRIA, Va., June 9 -- United States Patent no. D1,129,747, issued on June 9, was assigned to BEIJING ROBOROCK TECHNOLOGY Co. LTD. (Beijing).
"Docking station for floor cleaning appliance with water drainage and brush-cleaning functions" was invented by Danyang Liu (Beijing), Fanwei Meng (Beijing) and Jinpeng Zheng (Beijing).
The patent was filed on Jan. 9, 2025, under Application No. D/524,801.
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