ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,745,889, issued on Sept. 29, was assigned to iRobot Corp. (Bedford, Mass.).

"Pad washing dock for mobile cleaning robots" was invented by Timothy R. Ohm (Grover Beach, Calif.), Travis Gschrey (Billerica, Mass.), Douglas Dell'Accio (Boston), Winston Heinrichs (Brighton, Mass.), Eleanor Foltan (Nashua, N.H.) and Eric Wallace (Andover, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A docking station for a mobile cleaning robot can include a base, a housing, and a pad cleaning system. The base can be configured to receive the mobile cleaning robot. The housing can be connected to the base. The pad cleaning system can be connected to the housing and c...