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Chester Floyd Carlson is born.
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Chester said 'Someday, I'm going to make a great invention.'
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Chester's mother died of tuberculosis.
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In 1942 Chester Floyd Carlson invented the photocopier.
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Battelle Memorial Institute licenses idea from Chester Carlson.
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Haloid Co. (Xerox) licensed agreement saying that they could make photocopiers.
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Xerox put the first photocopier in stores.
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I think people will still use copiers and the copiers won’t change other than color, size and shape (the science staying the same).