ALEXANDRIA, Va., Aug. 5 -- United States Patent no. D1,140,453, issued on Aug. 4, was assigned to Jieyang Zhenghongsheng Hardware Industry Co. Ltd. (Jieyang, China).
"Mop clamp" was invented by Yuguang Su (Jieyang, China).
The patent was filed on Nov. 7, 2024, under Application No. D/972,134.
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