Wednesday - October 21, 2026

Speaker Box Structure and Electronic Device

2026-10-20

ALEXANDRIA, Virginia, Oct. 20 -- GUANGZHOU SHIYUAN ARTIFICIAL INTELLIGENCE INNOVATION RESEARCH INSTITUTE CO., LTD., Guangzhou, China has been assigned a patent (No. US 12771991 B2, initially filed June 26, 2024) developed by Weiyong Yue, Guangzhou, China, for "Speaker box structure and electronic device." . . .

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Speaker Box Structure and Electronic Device

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