books.google.ca - Invention Mysteries reveals the little-known stories behind well-known inventions such as ... Which U.S. president was the most successful inventor Which inventions were created by women, such as Kevlar, Scotchgard ., windshield wipers and COBOL What the difference is between a patent, a trademark and...http://books.google.ca/books/about/Invention_Mysteries.html?id=TFjBk0tn9A4C&utm_source=gb-gplus-shareInvention Mysteries
