ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,507,856, issued on Dec. 30, was assigned to CARL FREUDENBERG KG (Weinheim, Germany).
"Cleaning device" was invented by Alessandro Brugora (Cernusco sul Naviglio, Italy).
According to the abstract* released by the U.S. Patent & Trademark Office: "A cleaning device including a mop plate having a first main side and a second main side, wherein the first main side is assigned a cleaning cloth which can be fastened or is fastened to the mop plate in an exchangeable manner, wherein the mop plate is assigned a reservoir for taking up dirt particles, and wherein the cleaning cloth forms a delimiting wall of the reservoir."
The patent was filed on July 1, 2021, under Application No. 18/041,2...