ALEXANDRIA, Va., Sept. 30 -- United States Patent no. D1,149,384, issued on Sept. 29, was assigned to SHEN ZHEN SHI LONG HUA DISTRICT ZHUO YING GLOBAL OPERATING SECTION (Shenzhen, China).
"Roller brush" was invented by Liu Mei (Shenzhen, China).
The patent was filed on May 24, 2023, under Application No. D/876,574.
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