Tyler Simms just invented a new product that he is convinced is unique and will make him wealthy. The product is a toothbrush with a tube of toothpaste attached to the handle. Tyler is anxious to file a patent application on the product, but when he tells you about the idea, you say—“Whoa, let’s do a preliminary patent application search first to see if someone else has already patented this idea.” What do you find when you help Tyler with the preliminary search?