ALEXANDRIA, Va., Oct. 8 -- United States Patent no. D1,097,397, issued on Oct. 7, was assigned to Beijing Roborock Technology Co. Ltd. (Beijing).
"Top cover of vacuum cleaner" was invented by Zhuo Li (Beijing), Fanwei Meng (Beijing) and Jinpeng Zheng (Beijing).
The patent was filed on Aug. 26, 2024, under Application No. D/522,327.
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