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Patents for David S. Stewart
Patents 1 - 3 of 3
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NumberDatePatenteeTitleType
484,828Oct. 25, 1892D.S. StewartTraction Enginetracks
484,829Oct. 25, 1892D.S. StewartTraction Enginetracks
484,830Oct. 25, 1892D.S. StewartTraction Enginepropulsion components
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