ALEXANDRIA, Va., Sept. 30 -- United States Patent no. D1,150,740, issued on Sept. 29.

"Vacuum cleaner" was invented by Dongmin Li (Shenzhen, China), Fu Lin (Shenzhen, China), Rufeng Liu (Shenzhen, China) and Songyuan Xiao (Shenzhen, China).

The patent was filed on June 16, 2025, under Application No. D/008,537.

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