ALEXANDRIA, Va., July 14 -- United States Patent no. 12,678,903, issued on July 14, was assigned to DN Co. LTD. (Changwon-si, South Korea).

"Apparatus for exchanging a tool of a boring bar and method of exchanging a tool of a boring bar using the same" was invented by Jingeun Woo (Changwon-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus for exchanging a tool of a boring bar may include a magazine, a frame, a guide rail and an actuator. The magazine may be configured to receive a plurality of the tools. The frame may be arranged under the magazine. The guide rail may be arranged on the frame. The magazine may be movably connected to the guide rail. The actuator may be configured to...