Patent Searching Made Easy - 4th Edition Author:David Hitchcock Patent Searching Made Easy. Written by inventor David Hitchcock, this book explains step by step how to use an Internet browser to search U.S. patents. It discusses how to classify an invention properly, and then, using that classification, find all relevant patents issued within that class. Whether browsing infant flotation devices or computeri... more »zed pet toys, the inventor can quickly tell by searching over the Internet whether he or she is in the running to be "the first."« less