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Patents Granted on 1839-02-??
Patents 1 - 2 of 2
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NumberDatePatenteeTitleType
1,088Feb. 24, 1839O.R. DinsmoorCorn Shellercorn shellers
1,089Feb. 24, 1839W.S. OtisCrane-Excavator for Excavating and Removing Earthcranes
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