To try the thousands of add-ons available here, download Mozilla Firefox, a fast, free way to surf the Web!
CloseWelcome to Firefox Add-ons.
Choose from thousands of extra features and styles to make Firefox your own.
Close![Icon of Patents Search Engine](https://addons.thunderbird.net/user-media/addon_icons/337/337456-64.png?modified=1318396821)
Patents Search Engine 20110922
by Search Master
Google Patents is a search engine from Google that indexes patents and patent applications from the United States Patent and Trademark Office (USPTO)