ALEXANDRIA, Va., March 26 -- United States Patent no. 12,256,875, issued on March 25, was assigned to ALFRED KARCHER SE & Co. KG (Winnenden, Germany).
"Portable hard surface cleaning appliance" was invented by Juergen Zuger (Gerlingen, Germany), Saulius Martinkenas (Schwaikheim, Germany), Christoph Frohmader (Rieden, Germany), Hannes Belz (Backnang, Germany), Daniel Krohm (Leutenbach, Germany) and Christian Stewen (Marbach a. N., Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A portable hard surface cleaning appliance is provided, including a suction nozzle having a suction opening at which at least one squeegee lip is arranged, an electrical device having a suction turbine in flow connection with th...