Patent it yourself : your step-by-step guide to filing at the U.S. Patent Office /
David Pressman and Thomas J. Tuytschaevers.
- 18th edition.
- 654 pages : illustrations, forms ; 28 cm
Includes bibliographical references and index.
9781413322576 1413322573
Patent practice--United States--Popular works. Patent laws and legislation--United States--Popular works.