ALEXANDRIA, Va., Sept. 10 -- United States Patent no. D1,092,452, issued on Sept. 9, was assigned to AUSTRIAN AUDIO GMBH (Vienna).
"Microphone" was invented by Christoph Frank (Baden, Austria) and Martin Seidl (Breitenfurt bei Wien, Austria).
The patent was filed on Nov. 21, 2023, under Application No. D/917,710.
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