One premise of the U.S. patent system, and of most of the other large established patent systems in the world, is you can only patent something once. Too late, then, for the wheel; but for the better, improved wheel a patenting opportunity awaits. Of course, how do you find out if someone beat you to it? Or, in the language of patent experts, how do you find the prior art?
If you investigate the USPTO online patent database, it is apparent ... Read More ›