ALEXANDRIA, Va., July 14 -- United States Patent no. 12,678,929, issued on July 14, was assigned to Ingersoll-Rand Industrial U.S. Inc. (Davidson, N.C.).

"Power tool with accessory attachment mount and accessory therefor" was invented by Randi J. Young (Randolph, N.J.), Graham Ginder (W Easton, Pa.) and Lawrence R. Carmen Jr. (Bath, Pa.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A power tool assembly includes a drive mechanism, a longitudinally extending housing, an electrical connection at the housing for receiving electrical energy, and an attachment mount on the housing for releasably attaching a tool accessory to the power tool assembly. The attachment mount includes electrical connections for mating...