ALEXANDRIA, Va., May 19 -- United States Patent no. D1,126,720, issued on May 19, was assigned to DONGGUAN RONGMA FURNITURE Co. LTD. (Dongguan, China).
"Knob-type controller" was invented by Liang Liu (Dongguan, China).
The patent was filed on Jan. 14, 2025, under Application No. D/984,496.
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