Been there done that, this is where I search. <a href="http://www.wipo.int/patentscope/en/" target="_blank">http://www.wipo.int/patentscope/en/</a> Member States <a href="http://www.wipo.int/members/en/" target="_blank">http://www.wipo.int/members/en/</a> I can't find it. So I figure M'lady can can entice it out of M'Lord Rob.