ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,446,898, issued on Oct. 21, was assigned to DePuy Synthes Products Inc. (Raynham, Mass.).

"Torque transmitting ball joint driver having a rigid fixation mechanism" was invented by Matt Fenn (Rochester, N.Y.), Jared Schoenly (Spring City, Pa.), Dave Evans (Atlanta) and Michael White (Liestal, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "An articulating driver having a ball-in-socket joint. The driver may include a driver tip having a spherical head, a retention cap having a domed surface to mate with the spherical head, an input shaft, a spring disposed in an end of the input shaft and in a recess of the retention cap opposite that of the d...