ALEXANDRIA, Va., Oct. 8 -- United States Patent no. D1,097,400, issued on Oct. 7, was assigned to BEIJING ROBOROCK TECHNOLOGY Co. LTD. (Beijing).
"Handle for handheld cleaning appliance" was invented by Fanwei Meng (Beijing), Xin Li (Beijing) and Zechen Yu (Beijing).
The patent was filed on May 24, 2024, under Application No. D/521,404.
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