Patents and How to Get One: A Practical Handbook by U.S. Department of Commerce
$4.95
|
Patent It Yourself by David Pressman
$31.49
|
The Entrepreneur's Guide to Patents, Copyrights, Trademarks, Trade Secrets & Licensing by Gilbert Guide
$10.20
|
Inventing for Dummies by Pamela Riddle Bird
$14.95
|
How to Make Patent Drawings: A Patent It Yourself Companion by Jack Lo
$19.79
|




