ALEXANDRIA, Va., March 31 -- United States Patent no. 12,589,443, issued on March 31, was assigned to Black & Decker Inc. (New Britain, Conn.).
"Hole cutter with multiple fulcrums" was invented by Joseph Thomas Novak (East Longmeadow, Mass.) and Matthew Christopher Green (Amherst, Mass.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A hole cutter has a cylindrical blade body including a cutting edge and one or more axially-elongated apertures formed within a side wall of the blade body. The axially-elongated aperture is configured to receive a lever, such as a screwdriver, therethrough. Each axially-elongated aperture includes a first fulcrum axially spaced adjacent to the cutting edge, a second fulcrum axia...