ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,415,258, issued on Sept. 16, was assigned to Ingersoll-Rand Industrial U.S. Inc. (Davidson, N.C.).

"Impact wrench having dynamically tuned drive components and method thereof" was invented by Mark T. McClung (Annadale, N.J.), Timothy R. Cooper (Titusville, N.J.) and Warren A. Seith (Bethlehem, Pa.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides methods and systems an impact wrench having dynamically tuned drive components, such as an anvil/socket combination, and related methodology for dynamically tuning the drive components in view of inertia displacement, as well as stiffness between coupled components, and with regard ...