ALEXANDRIA, Va., Feb. 26 -- United States Patent no. D1,064,318, issued on Feb. 25, was assigned to Guangzhou Soundbox Acoustic Technology Co. Ltd. (Guangzhou, China).
"Movable silence booth" was invented by Yimin Yin (Guangzhou, China), Zude Liu (Guangzhou, China) and Jiawei Xie (Guangzhou, China).
The patent was filed on March 11, 2022, under Application No. D/792,201.
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