ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,778,373, issued on Nov. 3, was assigned to ALFRED KARCHER SE & Co. KG (Winnenden, Germany).
"Floor cleaning system, floor cleaning apparatus, and method for operating a floor cleaning system or a floor cleaning apparatus" was invented by Heiko Honnige (Winnenden, Germany), Thilo Ehrentreich (Winnenden, Germany), Patrick Prasser (Winnenden, Germany), Manuel Drust (Winnenden, Germany), Felipe Garcia Lopez (Winnenden, Germany), Fabian Schurig (Munich) and Gereon Hinz (Munich).
According to the abstract* released by the U.S. Patent & Trademark Office: "A floor cleaning system is provided that comprises a self-propelled and self-steering floor cleaning apparatus. At least one controllable ...