ALEXANDRIA, Va., Aug. 5 -- United States Patent no. D1,138,809, issued on Aug. 4, was assigned to Shenzhen Yingshiwei Technology Co. Ltd. (Shenzhen, China).
"Alcohol tester" was invented by Zijuan Hao (Shenzhen, China).
The patent was filed on April 29, 2025, under Application No. D/001,513.
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