How to make patent drawings save thousands of dollars and do it with a camera and computer Free Download

How to Make Patent Drawings Yourself

How to Make Patent Drawings YourselfExcerpt from How to Make Patent Drawings: A Brief Treatise on Patent Drafting for the Use of Students, Draftsmen and Inventors A great many books have been written on drawing, both mechanical and architectural, but to my knowledge every few, if any, have ever give…