ALEXANDRIA, Va., June 5 -- United States Patent no. D1,070,823, issued on April 15.
"Earphone" was invented by Jinhua He (Guangdong, China), Linsong Chen (Guangdong, China) and Jiaqi Zhang (Guangdong, China).
The patent was filed on Nov. 9, 2023, under Application No. D/519,467.
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