ALEXANDRIA, Va., March 12 -- United States Patent no. 12,247,606, issued on March 11, was assigned to SUNG WOO HITECH Co. LTD. (Busan, South Korea).
"Clinching-type blind hybrid fastening apparatus" was invented by Seok Hwan Hwang (Busan, South Korea), Yun Sung Chung (Busan, South Korea) and Sung Man Sohn (Yangsan-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "To improve fastening precision and economic feasibility, the present disclosure provides a clinching-type blind hybrid fastening apparatus inserted into and fastened to a frame part through which a first coupling hole is formed in a hollow shape and on one side of an upper surface thereof and a second coupling hole is formed on a lower ...