ALEXANDRIA, Va., July 16 -- United States Patent no. 12,667,238, issued on June 30, was assigned to BISSELL Inc. (Grand Rapids, Mich.).
"Surface cleaning apparatus with steam delivery" was invented by Tom Minh Nguyen (Grand Rapids, Mich.) and Joseph D. Fordahl (Grand Rapids, Mich.).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides a surface cleaning apparatus that includes steam delivery. The apparatus includes a hand-carried body adapted to be hand-carried by a user, the hand-carried body including a supply tank, a recovery tank, a liquid supply pump, a steam supply pump, a heater, and a suction source including a vacuum motor. A flexible hose is mounted to the hand-carried body ...