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patent and trademark office database

n.
1.the government bureau in the Department of Commerce that keeps a record of patents and trademarks and grants new ones

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    Idiom of the Day

    have a crack at (something)
    to try something, to take a turn at trying to do something
    The problem is very difficult but I will take a crack at solving it tomorrow.



    1.
    paroxysm

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    Blaise Pascal's father was a French tax collector who had trouble keeping track of his collections. So in 1642, young Pascal designed and built a mechanical adding machine to help. It was the first mechanical calculator in history.      .. More >>
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