ALEXANDRIA, Va., July 14 -- United States Patent no. D1,133,674, issued on July 14, was assigned to Qingdao Yuding Metal Products Co. Ltd. (Qingdao, China).
"Shelf column" was invented by Yumin Xue (Qingdao, China) and Fangbin Ding (Qingdao, China).
The patent was filed on June 20, 2025, under Application No. D/009,366.
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