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William Edward Sawyer was an American inventor whose contribution was primarily in the field of electric engineering and electric lighting.

His primary inventions include:
Telegraph apparatus for cable use - Mar 31, 1874
Automatic and autographic telegraph and circuit - Feb 2, 1875
Electric engineering and lighting apparatus and system - Aug 14, 1877
Device for effecting the static discharge in autographic telegraphy - Nov 6, 1877
Electric switch - Jun 29, 1880
Electrical safety device for elevators - Jul 6, 1880

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