David Pressman
Patent It Yourself: Your Step-by-Step Guide to Filing at the U.S. Patent Office
Patent It Yourself, 12th Edition
Patent It Yourself: Your Step-by-Step Guide to Filing at the U.S. Patent Office
Nolo's Patents for Beginners
Nolo's Patents for Beginners
Patent It Yourself
Patent It Yourself (6th ed)
How to Make Patent Drawings Yourself: Prepare Formal Drawings Required by the U.S. Patent Office
Patent It Yourself