ALEXANDRIA, Va., May 12 -- United States Patent no. D1,126,192, issued on May 12, was assigned to Wuhan Stark Technology Development Co. LTD (Wuhan, China).
"Plasma speaker" was invented by Yimin Wang (Wuhan, China) and Haomin Liu (Wuhan, China).
The patent was filed on Dec. 7, 2023, under Application No. D/920,077.
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