ALEXANDRIA, Va., June 18 -- United States Patent no. D1,078,412, issued on June 10, was assigned to QINGDAO HUATIAN HAND TRUCK Co. LTD. (Qingdao, China).
"Fertilizer spreader" was invented by Zhijun Liu (Qingdao, China).
The patent was filed on July 26, 2023, under Application No. D/898,328.
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