ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,734,594, issued on Sept. 15, was assigned to National Nail Corp. (Grand Rapids, Mich.).

"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 cutting edge that rotates about the tool axis and advances the tool into a donor board face to produce a plug having a plug face including the aesthetic exterior surface, a plug sidewall and a pl...