Tax angles in patents, trademarks, copyrights. - [New York 1968] - 103 p. 23 cm. - CCH tax analysis series . Includes bibliographical references. LCCN: 68003768 Subjects--Topical Terms: intellectual property--Taxation--United States. LC Class. No.: KF 6428 .I5 / C6 Dewey Class. No.: 340