Patent Numbers:
US6685402, US6986628, US7114893, US7371035, US7018145, US7241089, US7011478, US7547166, EP1372894, EP1682295, CA2647787, CA2678238, CA2441511, CA2542815, CA2542814, CNZL200480032788.9, CNZL200480032635.4, CN200910004726.1, IN227218, IN228015, MX253703, MX274690, KR795598, KR764140, CNZL200910145763.4