ALEXANDRIA, Va., Oct. 28 -- United States Patent no. D1,099,454, issued on Oct. 21, was assigned to BEIJING ROBOROCK TECHNOLOGY Co. LTD. (Beijing).
"Self-cleaning assembly of docking station for cleaning appliance" was invented by Lan Huang (Beijing), Fanwei Meng (Beijing) and Wanqi Li (Beijing).
The patent was filed on Sept. 14, 2024, under Application No. D/522,619.
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