Hidden Inventors: Denied

All 25 companies said they had no interest in his idea at the time. They all denied his neatly packaged proposal. So, what the heaven's gate are these sitting on a shelf in a Florida drugstore? Read more about this true story of how the disposable dental floss first came about. See more at www.Stoleninventions.com or www.Deniedi.com (as in denied inventions).

• | Author: Judith French, Duke Brown
• | Publisher: CreateSpace Independent Publishing Platform
• | Publication Date: Mar 19, 2018
• | Number of Pages: 26 pages
• | Language: English
• | Binding: Paperback
• | ISBN-10: 1986628043
• | ISBN-13: 9781986628044