What George Westinghouse invented?

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What George Westinghouse invented?

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1) What device for new parents did Ann Moore invent in 1969?

2) What now-ubiquitous device was invented by Zenith engineer Eugene Polley in 1955?

3) What invention is credited to the Russian born American inventor Vladimir Kosma Zworykin?

4) When was the first elevator built?

5) Who came up with the idea for INSTANT MASHED POTATO?

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