ALEXANDRIA, Va., June 25 -- United States Patent no. D1,080,687, issued on June 24, was assigned to QINGDAO HUATIAN HAND TRUCK Co. LTD. (Qingdao, China).
"Compost spreader" was invented by Zhijun Liu (Qingdao, China).
The patent was filed on July 28, 2023, under Application No. D/898,578.
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