ALEXANDRIA, Va., Feb. 24 -- United States Patent no. D1,114,761, issued on Feb. 24, was assigned to Lenbrook Industries Ltd. (Pickering, Canada).
"Audio amplifier" was invented by Gregory R. Stidsen (Andover, Mass.) and Jens Torben Sonderskov (Toronto).
The patent was filed on Aug. 8, 2023, under Application No. D/899,373.
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