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Edouard Benedictus, a French chemist, drops a flask filled with nitrate on the ground. While it breaks it does not shatter.
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Benedictus patents his invention in France as "shatter proof glass."
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Benedictus obtains the US Patent for his invention.
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Used in gas mask eyeholes and fighter plane windows
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Was put in place in band teller stations, and voice transmission systems allowed patrons to communicate with the tellers.
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Used in cars, though not widely due to it's price.
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Some of these include the Presidental Limousine, the Popemobile, the Oval Office, and the Supreme Court.
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Polycarbonates, a group of clear and easily moldable plastics, were discovered by scientists H. Schnell (in Germany) and D. W. Fox (in the US). As Mr. Fox worked for GE, polycarbonates began to be used in commercial products in the late 1950's.
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Invented by Jacques Sauret and Gerard Grosse, this was the first patent exclusively for bulletproof glass.
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Filed by William P. Stephinson, this patent is alternating sheets of slightly flexible glass and polycarbonates.