Patents A Practical Handbook Author:U.S. Department of Commerce Handy official guide explains functions of the Patent and Trademark Office, describes a patent, defines such terms as "patent pending" and "patent applied for," discusses patent law, explains what can be patented and the process of registering patents, describes filing fees, and much else—all in simple, easy-to-understanding language. Desi... more »gned specifically for non-attorneys, this indispensable handbook will be of value to inventors, patent applicants, students, and other interested parties.« less