ALEXANDRIA, Va., Aug. 26 -- United States Patent no. D1,091,031, issued on Aug. 26, was assigned to YUNJING INTELLIGENCE INNOVATION (SHENZHEN) Co. LTD. (Shenzhen, China) and YUNJING INTELLIGENCE (SHENZHEN) Co. LTD. (Shenzhen, China).

"Cleaning device" was invented by Yu Li (Shenzhen, China), Xundi Li (Shenzhen, China), Jiajie Luo (Shenzhen, China) and Zhen Wang (Shenzhen, China).

The patent was filed on Feb. 20, 2024, under Application No. D/929,243.

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