From Wikipedia, the free encyclopedia.
William Otis was an inventor who invented the steam shovel.
Otis received a patent for the steam shovel on February 24, 1839.
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Wikipedia: William Otis |
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William Otis From Wikipedia, the free encyclopedia. William Otis was an inventor who invented the steam shovel. Otis received a patent for the steam shovel on February 24, 1839. |
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