ALEXANDRIA, Va., June 5 -- United States Patent no. D1,071,420, issued on April 15, was assigned to Yunjing Intelligence Technology (Dongguan) Co. Ltd. (Dongguan, China) and Yunjing Intelligence (Shenzhen) Co. Ltd. (Shenzhen, China).
"Base station of cleaning machine" was invented by Yang Li (Dongguan, China), Jiajun Ma (Dongguan, China) and Zhen Wang (Dongguan, China).
The patent was filed on April 27, 2022, under Application No. D/836,452.
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