ALEXANDRIA, Va., June 16 -- United States Patent no. 12,305,433, issued on May 20, was assigned to Delta Electronics Inc. (Taoyuan, Taiwan).

"Human machine interface panel and fixing device thereof" was invented by Yu-Lun Wu (Taoyuan, Taiwan) and Wen-Yi Tang (Taoyuan, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides a human machine interface panel including a main body and a fixing device. The main body includes a housing and a first contact surface. The fixing device includes a base, a self-tapping screw and a bottom base. The base is detachably connected to the housing and has a mounting hole. The self-tapping screw penetrates through the mounting hole and has an interf...