ALEXANDRIA, Va., April 7 -- United States Patent no. D1,121,589, issued on April 7, was assigned to Shenzhen Qiangda Innovation Technology Industry Co. Ltd. (Shenzhen, China).
"Speaker" was invented by Qixiang Feng (Shenzhen, China).
The patent was filed on Jan. 13, 2025, under Application No. D/983,832.
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