"Guide to Patent Searching" http://www.lib.utexas.edu/engin/patent-tutorial/index.html
The best webbased tutorial is from the University of Texas. This guide gives you the steps while you navigate the PTO website
"How to Conduct a Preliminary U.S. Patent Search: A Step by Step Strategy"
A 36 minute Video from the USPTO
Patent Searching at Auburn University
Introduction to Intellectual Property
For WVU Engineering 101 Students
