ALEXANDRIA, Va., June 12 -- United States Patent no. 12,296,432, issued on May 13, was assigned to Diamabrush LLC (Madison Heights, Mich.).

"Floor polishing apparatus" was invented by Simon Palushaj (Washington, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A brush assembly is provided for increasing an effective area and uniformity of performance in an abrasive floor polishing application at a given size of brush mount. The brush assembly includes a pad with slots for receiving abrasive blades. The pad includes variable protrusions to provide varied support to the abrasive blades. The blades have a trapezoidal body shape. The blades include abrading components including an abrasive material such as d...