TRADEMARK & PATENTS

TRADEMARK & PATENTS

TRADEMARK PATENTS Light-emitting diode (LED) flashlight side button dimming devicePatent NO.:CN 202835264 U The utility model relates to the technical field of switches, in particular to a light-emitting diode (LED) flashlight side button dimming device. The LED flashlight side button dimming device is characterized by comprising a negative electrode spring,a negative electrode copper cap, a … Continue reading TRADEMARK & PATENTS

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