ALEXANDRIA, Va., April 21 -- United States Patent no. 12,610,441, issued on April 21, was assigned to Chengli Li (Suzhou, China).
"Knob-type light dimmer device" was invented by Lingwei Shen (Suzhou, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A knob-type dimmer, including a housing; a circuit board; a switch; a trigger, partially exposed to the outside of the dimmer and moves in response to external forces to trigger or release a switch to control electrical connection or disconnection because the dimmer and a power source; an electrical connection matching component; a first mounting match portion; a knob assembly, including a base, a knob, and an electrical connection component, the base includin...