ALEXANDRIA, Va., Aug. 5 -- United States Patent no. D1,140,451, issued on Aug. 4, was assigned to Beijing Roborock Technology Co. Ltd. (Beijing).
"Upper part of cleaner head" was invented by Wei Zhang (Beijing), Jinpeng Zheng (Beijing) and Fanwei Meng (Beijing).
The patent was filed on July 18, 2025, under Application No. D/526,137.
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