ALEXANDRIA, Va., April 7 -- United States Patent no. 12,594,657, issued on April 7, was assigned to Stanley Black & Decker Inc. (New Britain, Conn.).

"Multi-headed power tool and systems for fastening heads thereon" was invented by Dennis A. Bush (Dillsburg, Pa.), James Batterden (Timonium, Md.), Matthew Masison (Towson, Md.), Lukas Purasson (Towson, Md.) and Joseph P. Kelleher (Parkville, Md.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A power tool includes a head interface coupled to a forward end of an output shaft and a tool head element for engagement on the head interface. The tool head element has a housing including an input shaft configured to removably couple with the output shaft and a collar c...