United States Patent Office (Link)
For over 200 years, the basic role of the United States Patent and Trademark Office (USPTO) has remained the same: to promote the progress of science and the useful arts by securing for limited times to inventors the exclusive right to their respective discoveries (Article 1, Section 8 of the United States Constitution).
Engines of Our Ingenuity (Link)
The Engines of Our Ingenuity is a radio program that tells the story of how our culture is formed by human creativity.
Patent FAQ (Link)
Find information on: Evaluating and protecting an idea, Getting started with the patent process, Searches & patentability, preparing, filing & prosecuting an application, US and International patent applications, Assessing markets and marketability
Totally Absurd Inventions (Link)
This is just fun to check out if you have some time to kill!
General information about patents (Link)
Great answers to some basic questions such as "What is a Patent?"