ALEXANDRIA, Va., March 26 -- United States Patent no. 12,256,888, issued on March 25, was assigned to BISSELL Inc. (Grand Rapids, Mich.).
"Cordless surface cleaning apparatus" was invented by Joseph P. Perry (Comstock Park, Mich.) and Fabrizio Mirandola (Grand Rapids, Mich.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A surface cleaning apparatus includes a battery powering one or more electric components. The surface cleaning apparatus can have a power conversation mode that is executed by a controller. The surface cleaning apparatus can be provided with a sensing unit configured to detect inactivity of the surface cleaning apparatus and the controller is configured to receive a signal from the sensing un...