Delphion Intellectual Property Network
Patent searching database. Some areas paid subscription access only. Free registration enables you to use:
Quick searching against the US granted bibliographic collection, patent number searching against worldwide collections, and free work files that let you save, manage and organize your patent research.
Quick searching against the US granted bibliographic collection, patent number searching against worldwide collections, and free work files that let you save, manage and organize your patent research.
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Delphion Intellectual Property Network
http://ulib.iupui.edu/cgi-bin/proxy.pl?url=http://www.delphion.com/
