ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,560,085, issued on Feb. 24, was assigned to KENNAMETAL INC. (Latrobe, Pa.).

"Rotatable cutting tool with cutting insert and bolster" was invented by Robbie D. Bloom (Hooversville, Pa.), James R. Geyer (Manns Choice, Pa.) and Brandon J. Kenno (Windber, Pa.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A rotatable cutting tool includes a cutting tool body with a head portion. A bolster is at least partially received in the head portion and includes a socket, a collar portion and a shank portion. The socket is formed with a conical side wall and a radius blend. A hard tip or cutting insert is at least partially received in the socket and includes a conica...