I highly recommend you read the patent. Pretty much all of the assumptions about who owns it and what it is about are just ignorance. http://www.google.com/patents?hl=en&lr=&vid=USPAT6630507&id=0pcNAAAAEBAJ&oi=fnd&dq=6630507+US+Patent&printsec=abstract#v=onepage&q=6630507%20US%20Patent&f=false