ALEXANDRIA, Va., Aug. 18 -- United States Patent no. D1,143,411, issued on Aug. 18, was assigned to BEIJING ROBOROCK TECHNOLOGY Co. LTD. (Beijing).
"Floor cleaning appliance with handheld part" was invented by Jinpeng Zheng (Beijing).
The patent was filed on Jan. 14, 2025, under Application No. D/523,839.
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