Have you ever looked at what Google as on patent? It is a wide range of things. Google is a powerhouse for internet searching and email, and everything else they do. Seriously. I am a huge fan of Google because of tools like this open that make the internet fun again. Google makes me say ,"Hmmmmmm?"
Google patent page-http://www.google.com/patents
Google patent for underwear-http://www.google.com/patents?id=kq0IAAAAEBAJJ