ALEXANDRIA, Va., Oct. 28 -- United States Patent no. D1,100,267, issued on Oct. 28, was assigned to New-Tec Integration (Xiamen) Co. Ltd. (Xiamen, China).
"Folding ladder" was invented by Luhao Leng (Xiamen, China).
The patent was filed on Oct. 24, 2023, under Application No. D/905,701.
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