A cleaning device includes an integral fluid dispenser therein that serves to dispense a fluid into the scrubbing pad of the device to improve the cleaning effectiveness of the device. The device includes a main body with a cleaning pad attached to one side thereof, an internal motorized assembly for...http://www.google.es/patents/US8167510?utm_source=gb-gplus-sharePatente US8167510 - Surface scrubber with rotating pad
