Title rated 3.95 out of 5 stars, based on 21 ratings(21 ratings)
Book, 2015
Current format, Book, 2015, , Available .
Book, 2015
Current format, Book, 2015, , Available . Offered in 0 more formats
Outlines the process of making and patenting inventions and presents innovations in such fields as transportation, appliances, child and pet care, and amusement that did not work, were too early or too late, or failed for other reasons.
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