ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,521,850, issued on Jan. 13, was assigned to Black & Decker Inc. (New Britain, Conn.).

"Nut runner accessory for power tool" was invented by Benjamin Tucker (Ellicott City, Md.), Thomas R. Kaye Jr. (Fallston, Md.), Marco Lourenco (Baltimore), Darren B. Moss (York, Pa.), Aland Santamarina (Woodbine, Md.) and Samuel Willits (Towson, Md.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A nut runner accessory for a power-driven tool is provided. The nut runner accessory can include a gear assembly received in a housing. The gear assembly transfers an externally generated force to a driver head of the nut runner accessory. The driver head can include a pluralit...