ALEXANDRIA, Va., July 28 -- United States Patent no. D1,137,973, issued on July 28, was assigned to L&F PLASTICS Co. LTD. (Miaoli County, Taiwan).
"Wheel for collapsible cart" was invented by Mu-Chuan Hsu (Tungluo Shiang, Taiwan).
The patent was filed on April 4, 2025, under Application No. D/997,091.
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