Patent Server - IBM Patent Server. With this World Wide Web server, IBM lets you access over 26 years of U.S. Patent & Trademark Office (USPTO) patent descriptions as well as the last seventeen years of images. The first entries date back to January 5, 1971. You can search, retrieve and study over two million patents. There are What's New? and FAQ pages, as well as information on the interesting history and background of this site and a patent Resource Page.

Where to find patent information on the Internet - this list is prepared by the European Patent Office (updated constantly).