ALEXANDRIA, Va., July 3 -- United States Patent no. 12,343,897, issued on July 1, was assigned to National Nail Corp. (Grand Rapids, Mich.).

"Bladed plug cutting tool and related method of use" was invented by Roger A. Vandenberg (Hudsonville, Mich.), Todd E. A. Schwartzkopf (Hudsonville, Mich.) and Christopher M. Colyn (Grandville, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A plug cutting tool that produces plugs having an aesthetic exterior surface common to a donor board. The tool can include a tool axis; a carrier that rotates about the tool axis; and a blade which is joined with the carrier and which includes a first cutting edge moveable along a first extension axis transverse to the tool axi...