revised : July 2007 P : EPO - European Patent Office http://www.epo.org/ P : Esp@cenet (Europe's network of patent databases) http://www.espacenet.com/index.en.htm P : Free Patents Online (Patent Searching Database) http://www.freepatentsonline.com/ P : Institut National de la Propriété Industrielle (France) http://www.inpi.fr/front/ P : Intellectual Property Digital Library http://www.wipo.int/ipdl/en/ P : Intellectual Property Office (United Kingdom) http://www.ipo.gov.uk/ P : Official Journal of the European Patent Office http://www.european-patent-office.org/epo/pubs/oj_index_e.htm P : Ufficio Italiano Brevetti e Marchi http://www.uibm.gov.it/ P : US Patent and Trademark Office http://www.uspto.gov/ P : World Patent Index (Derwent) http://library.dialog.com/bluesheets/html/bl0351.html S : Afnor (Association Française de Normalisation) http://www.afnor.fr/ S : ANSI (American National Standards Institute) http://www.ansi.org/ S : BSI (British Standards Institution) http://www.bsi.org.uk S : DIN (Deutsches Institut für Normung) http://www.din.de/ S : ISO (International Organization for Standardization, Geneva) http://www.iso.ch/ S : Standardisation in the European Union http://www.newapproach.org/