ALEXANDRIA, Va., Sept. 24 -- United States Patent no. D1,149,234, issued on Sept. 22, was assigned to BEIJING ROBOROCK TECHNOLOGY Co. LTD. (Beijing).
"Floor cleaning appliance with fresh water tank" was invented by Jinpeng Zheng (Beijing).
The patent was filed on Jan. 21, 2025, under Application No. D/523,912.
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