ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,512,637, issued on Dec. 30, was assigned to Dongguan Heincro Technology Co. Ltd (Dongguan, China).

"Plug adapter" was invented by Xuexiang Wu (Guangdong, China), Zepeng Zheng (Shenzhen, China) and Shouming Chen (Danzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A plug adapter is provided, including a housing, a rotating housing, a panel, a first plug assembly, a second plug assembly, and a third plug assembly. The rotating housing is rotatably connected to an inner wall of the housing, the panel is disposed over the rotating housing, and the first, the second, and the third plug assemblies are disposed within the rotating housing and are arr...