ALEXANDRIA, Va., June 5 -- United States Patent no. D1,071,461, issued on April 15, was assigned to Zhongshan Shouhua Technology Co. Ltd. (Zhongshan, China).
"Drain mat" was invented by Jiaxiong Duan (Zhongshan, China).
The patent was filed on Oct. 19, 2022, under Application No. D/867,324.
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