ALEXANDRIA, Va., April 21 -- United States Patent no. 12,605,778, issued on April 21, was assigned to KORLOY INC. (Seoul, South Korea).
"Assembly of a cutting insert and a tool holder" was invented by Min Seok Oh (Cheongju-si, South Korea), Ki Chan Nam (Cheongju-si, South Korea) and Nam Seon Lee (Cheongju-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A cutting insert of the present invention includes an upper surface, a lower surface, a side surface, a cutting edge, and a mounting hole penetrating the upper surface and the lower surface, in which the cutting edge includes a main cutting edge, a corner cutting edge extending from the main cutting edge, and a sub-cutting edge extending from th...