ALEXANDRIA, Va., Aug. 5 -- United States Patent no. D1,138,564, issued on Aug. 4, was assigned to Shenzhen Fanpuguizhen E-Commerce Co. Ltd. (Shenzhen, China).
"Coffee tamper" was invented by Zhaoyang Tian (Shenzhen, China).
The patent was filed on June 25, 2025, under Application No. D/010,033.
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