Inventions that could have changed the world ... but didn't!
by Rhatigan, Joe (Author)
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Summary
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. Full description
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Other Authors
Owsley, Anthony (Illustrator)
Main Language
English
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