Patents for the small guy are essentially useless.First you'll spend $3000-$10,000 in legal fees and patent searches, then if you are lucky enough to get one, it's up to you to defend it.Meaning someone across the country copies it, its up to you to get a Federal Attorney and go after the guy in Federal Court in his district, meaning $$$$$$$$$$$$$$$$$$.If you have a good idea market it, sell it and run happily to the bank.Dave