ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,527,385, issued on Jan. 20, was assigned to MANGOSLAB Co. LTD. (Seongnam, South Korea).
"Cordless hair straightener having dual hidden hinge structure" was invented by Yong Shik Park (Yongin-si, South Korea) and Sang Bong Lee (Ansan-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "According to an embodiment of the present disclosure, a cordless hair straightener includes a body which includes a battery including an input and an output and charged by an external power supply through the input, a first heater unit and a second heater unit which are electrically connected to the output of the battery, a first housing which accommodates at lea...