ALEXANDRIA, Va., June 4 -- United States Patent no. D1,078,029, issued on June 3, was assigned to Jiayin Zhichuang Technology (Shenzhen) Co. Ltd (Shenzhen, China).
"Earplug" was invented by Zhihao Chen (Shenzhen, China) and Guoyou Chen (Shenzhen, China).
The patent was filed on Oct. 31, 2024, under Application No. D/970,908.
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