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Cover of Inventions that could have changed the world ... but didn't!

a novel ·

Inventions that could have changed the world ... but didn't!

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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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the long version

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.

M

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"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 …"

— Margaret

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