1991 - How to Be a Successful Inventor Turn Your Ideas Into Profit (Paperback) → Paperback ISBN-13: 9780471534440 ISBN-10: 0471534447 Genres: Business & Money, Science & Math, Law, Engineering & Transportation ? How to Be a Successful Inventor Turn Your Ideas Into Profit (Paperback) → Paperback ISBN-13: 9780471534464 ISBN-10: 0471534463 Genres: Business & Money, Science & Math, Law, Engineering & Transportation ? |