ALEXANDRIA, Va., March 26 -- United States Patent no. D1,067,903, issued on March 25.
"Wireless microphone emitter" was invented by Hongliang Zhao (Shenzhen, China), Jinshu Hu (Shenzhen, China), Zhaoyang Xu (Shenzhen, China) and Shengqun Yu (Shenzhen, China).
The patent was filed on Aug. 1, 2023, under Application No. D/909,153.
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