Save on patent drafting and do it yourself! If you’re trying to patent your invention, you know need a drawing to complete your USPTO application. Professional patent drafters charge per sheet for their patent drawing services and it can cost you hundreds of dollars. But with How to Make Patent Drawings you’ll be able to complete this crucial step and create a patent drawing that complies with the strict rules of the USPTO. The 6th edition is completely updated to reflect recent changes to patent law and the newest advances in technical drawing. It includes all necessary forms with step-by-step instructions.