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U.S. Patents: Patent Information

A step-by-step guide to searching for patents on the U.S. Patent and Trademark Office site using the patent classification system.

Reading a Patent

Viewing Patent Images

In order to view the scanned patent images (which include patent drawings), your browser requires a TIFF image plug-in.

If you can't view the patent images, click on any of the links below and download the appropriate link for your computer and browser specifications.

If you need help with this, please contact Anita Niemczyk at

Patent Search Tutorials using the USPTO site