问题
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Who will be most interested in the advances mentioned in the talk?A.Inventors.B.Science fi
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A patent is a form. of right granted by the government to an inventor, giving the owne
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A patent gives inventors exclusive rights to their inventions for a fix period of time.
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DAndrew Ritchie, inventor of the Brompton folding bicycle, once said that the perfect port
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Henry Ford the famous U.S. inventor and car manufacturer once said The business of Ame
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How fit are your teeth? Are you lazy about brushing them? Never fear: An inventor is on the case. An
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