ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,548,958, issued on Feb. 10, was assigned to Dongguan Heincro Technology Co. Ltd (Dongguan, China).
"Mini travel power conversion socket" was invented by Xuexiang Wu (Guangdong, China), Ziyuan Liu (Ji'an, China) and Junwen Xiong (Nanchang, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides a mini travel power conversion socket, including: a face cover, a light guide post, a door spring, a main body, and a bottom cover. This invention provides a mini travel power conversion socket equipped with British plugs, European plugs, and American/Australian rotatable adapter plugs; the socket section is designed with a universal so...