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Patent Resources on the Web and in the Engineering Library

This guide directs you to materials that will help search for patent information

Classification Tools

Patents are tough to search using keywords because of the complex legal and technical language they contain.  To help patent searchers, patent offices use classification systems to group similar technologies together.  If you find the right class, you can find all of the inventions related to that type of technology, regardless of how they're described.

Concordances: