ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,415,257, issued on Sept. 16, was assigned to Klein Tools Inc. (Lincolnshire, Ill.).
"Nut driver tool" was invented by Austin Minor (Fort Worth, Texas), Jordan L. Fisher (Arlington, Texas) and Michael D. Bronk (Arlington, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "A nut driver includes an elongate drive shank and a reversible socket. The socket has a first hex socket opening sized to engage a hexagonal profile of a first size, and a second hex socket opening sized to engage a hexagonal profile of a second size that is larger than the first size. The socket is mountable on the drive shank in either a first orientation that presents the first he...