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Patents for Thorne & De Haven
Patents 1 - 2 of 2
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NumberDatePatenteeTitleType
113,113Mar. 28, 1871W.H. ThorneImprovement in apparatus for transmitting power to machineryindustrial machine mechanisms
114,229Apr. 25, 1871W.H. ThorneImprovement in Portable Drilling-Machinesdrill presses
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