1981 - How to Get Your Own Patent (Paperback) → Hardcover ISBN-13: 9780806989907 ISBN-10: 0806989904 Genre: Business & Money ? How to Get Your Own Patent (Hardcover) → Paperback, Hardcover ISBN-13: 9780806955643 ISBN-10: 0806955643 Genre: Law ? How to Get Your Own Patent (Hardcover) → Paperback, Hardcover ISBN-13: 9780806955650 ISBN-10: 0806955651 Genre: Law ? |