@article{21499, note = {Price : 15.00; Invoice No A/442 Date 16/06/97 Supplier : The Intellectual Property Institute, London; Recd 19/06/97 The Intellectual Property Institute 25 Southampton Buildings Chancery Lane London WC2A 1AW United Kingdom Tel : ++ 44 171 404 8490 Fax : ++ 44 171 404 8493.}, author = {Roberts, Tim,}, url = {http://tind.wipo.int/record/21499}, title = {Broad patent claims : how to prevent enrichment : seminar on 27 February 1997 /}, recid = {21499}, pages = {12 pages ;}, }