ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,555,724, issued on Feb. 17, was assigned to DEFOND ELECTECH Co. LTD. (Guangdong, China).

"Switching device" was invented by Cheng Chen Nieh (Dongguan, China), Chiu Keung Loong (Dongguan, China) and Wai Man Wong (Dongguan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides a switching device, which includes an electricity leading member, a power transmission member, and a conductive connecting member. The first end of the electricity leading member is configured to be electrically connected with the power supply terminal, and the second end of the electricity leading member is provided with a first contact portion; the p...