TY - GEN T1 - An Analysis of Patent Search Systems / AU - Sakurai, S., AU - Cardenas, A. F. VL - US 47 Jun 2008 Vol 90 No 6 pages 448-460 CN - K16 ID - 24843 KW - Patent laws and legislation KW - Trademarks KW - Trademarks. KW - Patents. KW - Patents TI - An Analysis of Patent Search Systems / ER -