ALEXANDRIA, Va., Jan. 20 -- United States Patent no. D1,109,961, issued on Jan. 20, was assigned to Beijing Roborock Technology Co. Ltd. (Beijing).
"Cleaning robot with protrusible side brush" was invented by Zechen Yu (Beijing) and Fanwei Meng (Beijing).
The patent was filed on July 4, 2024, under Application No. D/521,721.
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