ALEXANDRIA, Va., June 4 -- United States Patent no. 12,318,889, issued on June 3, was assigned to Moeller Mfg. Co. LLC (Wixom, Mich.).

"Radial grinding wheel for machining center having impeller for directing through-spindle coolant to the work surface of the tool" was invented by Caleb Averill (Harbor Springs, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A radial grinding tool for a machining center utilizing through-spindle coolant is disclosed and includes a main body having a central longitudinal axis, a spindle extending along the central longitudinal axis, a disc-shaped wheel member located at an end of the spindle and including a working surface at a periphery of the wheel member, and a passag...