In a cleaning, scouring, scrubbing and/or polishing pad of the type formed from a pliable, flexible foam plastic body having a scrubbing surface with a plurality of protuberances being defined by peripheral surfaces generally perpendicular to and forming generally sharp edges with an upper scrubbing...http://www.google.fr/patents/US4111666?utm_source=gb-gplus-shareBrevet US4111666 - Method of making cleaning, scouring and/or polishing pads and the improved pad produced thereby
Method of making cleaning, scouring and/or polishing pads and the improved ...
