ALEXANDRIA, Va., July 21 -- United States Patent no. 12,686,058, issued on July 21, was assigned to Celeritive Technologies Inc. (Moorpark, Calif.).

"Methods for preventing notch formation in, and/or extending the useful life of, cutting tools for turning, and associated systems" was invented by Glenn Coleman (Cave Creek, Ariz.), Joseph McChesney (Moorpark, Calif.) and Evan C. Sherbrooke (Moorpark, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Technology for turning selected portions of a workpiece by a cutting tool is described. The described technology can provide methods and apparatuses for turning areas of a part so that corner strikes are avoided upon material entry, burr formation upon material...