ALEXANDRIA, Va., June 5 -- United States Patent no. D1,070,811, issued on April 15, was assigned to Dongguan Kaimoer electronics Co. LTD. (Dongguan, China).
"Speaker box" was invented by Hanhua Liu (Dongguan, China).
The patent was filed on Aug. 4, 2023, under Application No. D/899,067.
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