Professional patent drafters charge hundreds of dollars to prepare patent drawings. You can avoid these hefty fees with Patent Agent Jack Lo and bestselling author David Pressman's How to Make Patent Drawings Yourself. This step-by-step guide shows you how to complete a crucial step in the patenting process--creating formal patent drawings that comply with the strict rules of the U.S. Patent and Trademark Office. Once you've secured a patent with the drawings, you can also use them to market and promote your product to prospective manufacturers and customers. Book jacket.